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Channing Tatum and Jenna Dewan separate, leaving people wondering why they of all couples couldn’t make it work

Channing Tatum (L) and Actress Jenna Dewan arrive at the Stone Rose Lounge and Simon LA preview at the newly renovated Sofitel LA Hotel on June 21, 2006 in Los Angeles, California. (Photo by David Livingston/Getty Images for Sofitel)

(L-R) Director Anne Fletcher, actress Jenna Dewan and actor Channing Tatum arrive at the Touchstone Pictures premiere of "Step Up" held at Arclight Cinemas on August 7, 2006 in Hollywood, California. (Photo by Michael Buckner/Getty Images)

Actor Channing Tatum and actress Jenna Dewan arrive at the 2008 Teen Choice Awards at Gibson Amphitheater on August 3, 2008 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)

Actors Channing Tatum, director Dito Montiel, Altagracia Guzman and Brian J. White attend the premiere of "Fighting" at the Regal Union Square Stadium 14 on April 20, 2009 in New York City. (Photo by Bryan Bedder/Getty Images)

Actor Channing Tatum arrives at the Hilton Courthouse Hotel to introduce a screening for his new film 'Fighting' on May 7, 2009 in London, England. (Photo by Chris Jackson/Getty Images for Universal)

Actor Channing Tatum kisses his wife Jenna Dewan during the "G.I. Joe: The Rise Of Cobra" Japan Premiere at Lalaport Toyosu on July 27, 2009 in Tokyo, Japan. The film will open on August 7 in Japan. (Photo by Junko Kimura/Getty Images)

Actress Sienna Miller, actor Channing Tatum and Lee Byung-Hun attend the "G. I. Joe: The Rise of Cobra" press conference at the Shilla Hotel on July 29, 2009 in Seoul, South Korea. The film will open on August 6 in South Korea. (Photo by Chung Sung-Jun/Getty Images)

Actor Channing Tatum (L) and actress Jenna Dewan arrive at the special screening of "G.I. Joe: The Rise Of Cobra" held at Grauman's Chinese Theatre on August 6, 2009 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Actor Channing Tatum (L) and actress Jenna Dewan backstage at the Dizzy Feet Foundation's Inaugural Celebration of Dance at The Kodak Theater on November 29, 2009 in Hollywood, California. (Photo by Jason Merritt/Getty Images for Dizzy Feet Foundation)

Actress Jenna Dewan and Channing Tatum arrives at the 3rd Annual Art Of Elysium "Heaven" Gala Event in Beverly Hills on January 16, 2010 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)

Actor Channing Tatum and actress Jenna Dewan arrive at the premiere of Screen Gem's "Dear John" at Grauman's Chinese Theater on February 1, 2010 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Channing Tatum and Jenna Dewan attends the gala screening of 'Dear John' at the Odeon High Street Kensington on March 30, 2010 in London, England. (Photo by Ian Gavan/Getty Images)

Actor/producer Channing Tatum (L) and actress/producer Jenna Dewan attend the premiere Of "Earth Made Of Glass" during the 2010 Tribeca Film Festival at the Tribeca Performing Arts Center on April 26, 2010 in New York City. (Photo by Amy Sussman/Getty Images for Tribeca Film Festival)

Actor Channing Tatum (L) and actress Jenna Dewan arrive at the 2010 Teen Choice Awards at Gibson Amphitheatre on August 8, 2010 in Universal City, California. (Photo by Jason Merritt/Getty Images)

Actor Channing Tatum and actress Jenna Dewan pose with a Chrysler 300 as Vanity Fair Campaign Hollywood 2011 kicks off with Chrysler Celebrating "The Fighter" held at the District on Sunset on February 21, 2011 in Hollywood, California. (Photo by Alexandra Wyman/Getty Images for Vanity Fair)

(L-R) Executive producer/actor Channing Tatum, VP of HBO Documentary Films Sara Bernstein, director Deborah Scranton, executive producer/actress Jenna Dewan Tatum and producer Reid Carolin attend the HBO Documentary Screening of "Earth Made Of Glass" at HBO Theater on April 5, 2011 in New York City. (Photo by Michael Loccisano/Getty Images for HBO)

Actors Channing Tatum and Jenna Dewan Tatum attend "Ten Year" Premiere at Ryerson Theatre during the 2011 Toronto International Film Festival on September 12, 2011 in Toronto, Canada. (Photo by Alberto E. Rodriguez/Getty Images)

Relativity Media's Ryan Kavanaugh, actor Channing Tatum, and actress Jenna Dewan attend Relativity Media's premiere of "Haywire" after party co-hosted by Playboy held at DGA Theater on January 5, 2012 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images for Relativity Media)

Actors Channing Tatum (L) and Jenna Dewan-Tatum arrive at the 69th Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 15, 2012 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images)

Actor Channing Tatum and actress Jenna Dewan attend the premiere of Sony Pictures' 'The Vow' at Grauman's Chinese Theatre on February 6, 2012 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Actors Channing Tatum and Jenna Dewan pose for pictures during Columbia Pictures' premiere of '21 Jump Street' held at Grauman's Chinese Theatre on March 13, 2012 in Hollywood, California. (JOE KLAMAR/AFP/Getty Images)

Channing Tatum and Sir Elton John perform during the 2012 Concert for the Rainforest Fund at Carnegie Hall on April 3, 2012 in New York City. (Photo by Jamie McCarthy/Getty Images)

Actor Channing Tatum (L) and Jenna Dewan-Tatum arrive at the MTV Movie Awards at Universal Studios, in Los Angeles, California, on June 3, 2012. (JOE KLAMAR/AFP/GettyImages)

Actress Elizabeth Banks accepts the Best On-Screen Transformation award from actors Matthew McConaughey, Joe Manganiello, and Channing Tatum onstage during the 2012 MTV Movie Awards held at Gibson Amphitheatre on June 3, 2012 in Universal City, California. (Photo by Kevin Winter/Getty Images)

Actor Channing Tatum (L) and actress Jenna Dewan-Tatum arrive at the premiere of Warner Bros. Pictures' "Magic Mike" during the 2012 Los Angeles Film Festival at Regal Cinemas L.A. Live on June 24, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

Channing Tatum and Jenna Dewan attend the European premiere of Magic Mike at The Mayfair Hotel on July 10, 2012 in London, England. (Photo by Gareth Cattermole/Getty Images)

Actors Channing Tatum (L) and Rosario Dawson attend "10 Years" brunch reunion event hosted by GREY GOOSE Vodka And Anchor Bay Films at Hotel Chantelle on September 16, 2012 in New York City. (Photo by Neilson Barnard/Getty Images for GREY GOOSE)

Actors Channing Tatum (L) and Jenna Dewan arrive at the Oscars at Hollywood & Highland Center on February 24, 2013 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Actors Jamie Foxx and Channing Tatum attend the "White House Down" photo call at the 5th Annual Summer Of Sony at the Ritz Carlton Hotel on April 19, 2013 in Cancun, Mexico. (Photo by Christopher Polk/Getty Images for Sony Pictures)

Channing Tatum,Joey King and James Woods attend "White House Down" New York Premiere at on June 25, 2013 in New York City. (Photo by Jamie McCarthy/Getty Images)

Actor Channing Tatum signs autographs for fans as he attends the 'White House Down' Germany premiere at CineStar on September 2, 2013 in Berlin, Germany. (Photo by Sean Gallup/Getty Images for Sony Pictures)

Actors Channing Tatum (L) and Jenna Dewan (R) arrive on the red carpet for the Golden Globe awards on January 12, 2014 in Beverly Hills, California. (FREDERIC J BROWN/AFP/Getty Images)

Actors Channing Tatum (L) and Jenna Dewan-Tatum attend the Oscars held at Hollywood & Highland Center on March 2, 2014 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Actors Channing Tatum and Mila Kunis attend Warner Bros. Pictures' ?The Big Picture?, an Exclusive Presentation Highlighting the Summer of 2014 and Beyond during CinemaCon, the official convention of the National Association of Theatre Owners, at The Colosseum at Caesars Palace on March 27, 2014 in Las Vegas, Nevada. (Photo by Michael Buckner/Getty Images for CinemaCon)

Honoree Channing Tatum (L, holding Trailblazer Award) and actress Jenna Dewan-Tatum pose in the press room during the 2014 MTV Movie Awards at Nokia Theatre L.A. Live on April 13, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images for MTV)

US actor Channing Tatum talks during a press conference for the film "Foxcatcher" at the 67th edition of the Cannes Film Festival in Cannes, southern France, on May 19, 2014. (ALBERTO PIZZOLI/AFP/Getty Images)

(L-R) Mark Ruffalo, Channing Tatum, director Bennett Miller and Steve Carell attend the "Foxcatcher" premiere during the 67th Annual Cannes Film Festival on May 19, 2014 in Cannes, France. (Photo by Ian Gavan/Getty Images)

(L-R) Channing Tatum and Jonah Hill attend a photocall to promote their new film '22 Jump Street' at Claridges Hotel on May 22, 2014 in London, England. (Photo by Tristan Fewings/Getty Images)

Actor Channing Tatum and actress Jenna Dewan-Tatum arrives at the Premiere Of Columbia Pictures' "22 Jump Street" at Regency Village Theatre on June 10, 2014 in Westwood, California. (Photo by Frazer Harrison/Getty Images)

Channing Tatum attends Game Five of the 2014 Stanley Cup Final between the Los Angeles Kings and the New York Rangers at the Staples Center on June 13, 2014 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)

Moderator Chris Hardwick (L) and actor Channing Tatum take a selfie at the Warner Bros. Pictures panel and presentation during Comic-Con International 2014 at San Diego Convention Center on July 26, 2014 in San Diego, California. (Photo by Kevin Winter/Getty Images)

Actor Channing Tatum speaks onstage at the Hollywood Foreign Press Association's Grants Banquet at The Beverly Hilton Hotel on August 14, 2014 in Beverly Hills, California. (Photo by Kevin Winter/Getty Images)

Actor Channing Tatum attends the Variety Studio presented by Moroccanoil at Holt Renfrew during the 2014 Toronto International Film Festival on September 7, 2014 in Toronto, Canada. (Photo by Jonathan Leibson/Getty Images for Variety)

Actors Channing Tatum (L) and Jenna Dewan attend the "Foxcatcher" premiere during the 52nd New York Film Festival at Alice Tully Hall on October 10, 2014 in New York City. (Photo by Andrew H. Walker/Getty Images)

Actor Channing Tatum (L) and actress Jenna Dewan-Tatum attend Fox's Cause For Paws: All Star Dog Spectacular at Barker Hangar on November 22, 2014 in Santa Monica, California. (Photo by Frederick M. Brown/Getty Images)

Channing Tatum (L) and Jenna Dewan attend The Weinstein Company & Netflix's 2015 Golden Globes After Party presented by FIJI Water, Lexus, Laura Mercier and Marie Claire at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Rich Polk/Getty Images for FIJI Water)

(L-R) Actors Channing Tatum, Mila Kunis, Sean Bean, and David Ajala attend the premiere of Warner Bros. Pictures' "Jupiter Ascending" at TCL Chinese Theatre on February 2, 2015 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Actors Channing Tatum (L) and Jenna Dewan Tatum attend the 87th Annual Academy Awards at Hollywood & Highland Center on February 22, 2015 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Actors Channing Tatum (L) and Jenna Dewan attend the 26th Annual GLAAD Media Awards at The Beverly Hilton Hotel on March 21, 2015 in Beverly Hills, California. (Photo by Charley Gallay/Getty Images for GLAAD)

(L-R) Actors Adam Rodriguez, Matt Bomer and Channing Tatum attend Warner Bros. Pictures Invites You to ?The Big Picture?, an Exclusive Presentation Highlighting the Summer of 2015 and Beyond at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 21, 2015 in Las Vegas, Nevada. (Photo by Michael Buckner/Getty Images for CinemaCon)

Elizabeth Banks, Channing Tatum, Matt Bomer and cast attend the premiere of Warner Bros. Pictures' "Magic Mike XXL" at TCL Chinese Theatre IMAX on June 25, 2015 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Channing Tatum attends the Amsterdam premiere of Magic Mike XXL on July 1, 2015 in Amsterdam, Netherlands. (Photo by Michel Porro/Getty Images)

Channing Tatum arrives at the "Magic Mike XXL" Australian premiere on July 6, 2015 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

Actor Channing Tatum and his wife actress Jenna Dewan-Tatum attend the 5th Annual Celebration of Dance Gala presented By The Dizzy Feet Foundation at Club Nokia on August 1, 2015 in Los Angeles, California. (Photo by Angela Weiss/Getty Images for Dizzy Feet Foundation)

Actor Channing Tatum, his wife actress Jenna Dewan-Tatum and singer Paula Abdul take 'selfies' with guests at the 5th Annual Celebration of Dance Gala presented By The Dizzy Feet Foundation at Club Nokia on August 1, 2015 in Los Angeles, California. (Photo by Angela Weiss/Getty Images for Dizzy Feet Foundation)

Actors Channing Tatum (L) and Jenna Dewan Tatum attend the 19th Annual Hollywood Film Awards at The Beverly Hilton Hotel on November 1, 2015 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)

Actors Channing Tatum and Samuel L. Jackson attend the Premiere of The Weinstein Company's "The Hateful Eight" at ArcLight Cinemas Cinerama Dome on December 7, 2015 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

(L-R) Producer Harvey Weinstein, actors Channing Tatum, and Jenna Dewan attend the world premiere of "The Hateful Eight" presented by The Weinstein Company at Le Jardin on December 7, 2015 in Hollywood, California. (Photo by Charley Gallay/Getty Images for The Weinstein Co)

(L-R) Actors Channing Tatum, Jenna Dewan Tatum, Jada Pinkett Smith, and Will Smith attend the 73rd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)

Actor Channing Tatum and actress Jenna Dewan-Tatum attend Universal Pictures' "Hail, Caesar!" premiere at Regency Village Theatre on February 1, 2016 in Westwood, California. (Photo by Kevin Winter/Getty Images)

Channing Tatum attends the 'Hail, Caesar!' premiere during the 66th Berlinale International Film Festival Berlin at Berlinale Palace on February 11, 2016 in Berlin, Germany. (Photo by Vittorio Zunino Celotto/Getty Images)

Actors Channing Tatum and Jenna Dewan Tatum attends the 5th Annual Baby2Baby Gala at 3LABS on November 12, 2016 in Culver City, California. (Photo by Alberto E. Rodriguez/Getty Images)

Actor Channing Tatum attends Disney On Ice Presents Worlds Of Enchantment Celebrity Guests at Staples Center on December 17, 2016 in Los Angeles, California. (Photo by Ari Perilstein/Getty Images for Feld Entertainment)

(L-R, front) Cast member Mark Shunock, associate director and choreographer Teresa Espinosa, actress Jenna Dewan Tatum, actor Channing Tatum and cast member Lyndsay Hailey attend the grand opening of "Magic Mike Live Las Vegas" with other cast members at the Hard Rock Hotel & Casino on April 21, 2017 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Actor Channing Tatum talks to Ryan Blaney, driver of the #21 Motorcraft/Quick Lane Tire & Auto Center Ford, during pre-race festivities for the Monster Energy NASCAR Cup Series Coca-Cola 600 at Charlotte Motor Speedway on May 28, 2017 in Charlotte, North Carolina. (Photo by Mike Comer/Getty Images)

Actor Channing Tatum (L) pours actor Halle Berry a drink onstage at the 20th Century FOX panel during Comic-Con International 2017 at San Diego Convention Center on July 20, 2017 in San Diego, California. (Photo by Kevin Winter/Getty Images)

Actress Jenna Dewan Tatum and Free Association's Peter Kiernan, Reid Carolin and Channing Tatum attend the premiere of Amazon's "Comrade Detective" at ArcLight Hollywood on August 3, 2017 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)

Channing Tatum meets with fans during "Logan Lucky" Tennessee Benefit Screening For Variety - The Children's Charity at Regal Pinnacle Stadium 18 on August 9, 2017 in Knoxville, Tennessee. (Photo by Rick Diamond/Getty Images)

Actor Channing Tatum and Jenna Dewan Tatum attend the 'Kingsman: The Golden Circle' World Premiere held at Odeon Leicester Square on September 18, 2017 in London, England. (Photo by Chris Jackson/Getty Images)

Presenter Jenna Dewan Tatum arrives at the 2017 American Music Awards on November 19, 2017, in Los Angeles, California. (MARK RALSTON/AFP/Getty Images)

(L-R) Jenna Dewan Tatum, Emmanuelle Chriqui, Cody Horn, and Grace Rodriguez attend the 12th Annual Los Angeles Ballet Gala at the Beverly Wilshire Four Seasons Hotel on February 24, 2018 in Beverly Hills, California. (Photo by Matt Winkelmeyer/Getty Images)

Jenna Dewan-Tatum (L) and Eve speak onstage during the 2018 iHeartRadio Music Awards which broadcasted live on TBS, TNT, and truTV at The Forum on March 11, 2018 in Inglewood, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Jenna Dewan Tatum attends the 2018 Vanity Fair Oscar Party following the 90th Academy Awards at The Wallis Annenberg Center for the Performing Arts in Beverly Hills, California, on March 4, 2018. (JEAN-BAPTISTE LACROIX/AFP/Getty Images)

Channing Tatum throws snowballs on stage at the 31st Annual Nickelodeon Kids' Choice Awards on March 24, 2018 at the Forum in Inglewood, California. (VALERIE MACON/AFP/Getty Images)

Jenna Dewan Tatum attends the Hunter For Target Ultimate Family Festival at Brookside Golf Club on March 25, 2018 in Pasadena, California. (Photo by Alberto E. Rodriguez/Getty Images)