Splits of 2012: Biggest divorces/splits of the year---This year, we saw some new couples get together (hello, Haylor!), but we also saw a bunch of them split. The stories behind Hollywood's biggest breakups of 2012.

Tom Cruise and Katie Holmes

Katie shocked the world when she filed for divorce in June. But perhaps no one was more surprised than her hubby of five years, Tom, who never saw it coming. Suri cruise primary custody, Katie Holmes' dad helped plan tom cruise split, Tom Cruise Katie Holmes.

Heidi Klum and Seal

We felt totally tricked when this Halloween-loving couple split in January, but Heidi indeed said auf wiedersehen to her hubby of seven years at the beginning of the year. Heidi Klum divorces seal over his temper, Heidi Klum dating bodyguard martin Kirsten, Heidi Klum seal kids.

Johnny Depp and Vanessa Paradis

Formerly one of Hollywood's longtime couples, Johnny and Vanessa were together for 14 years before they announced their breakup in June. Johnny Depp bored with Vanessa Paradis, Johnny Depp dating amber heard, Lily And Jack Depp.

Will Arnett and Amy Poehler

It was no laughing matter when this comedic couple called it quits after nine years of marriage in September. Will Arnett and Amy Poehler romance fizzled out, Amy Poehler will Arnett sons abel and archie,Blades of Glory.Adam Levine and Anne Vyalitsyna

Adam and Anne seemed altar-bound, but alas, this comely couple hit the skids in April after dating for two years. Adam Levine not ready to marry Anne Vyalitsyna caused breakup, Adam Levine dating Behati prinsloo, Anne vyalitsyna and adam levine.

Jennie Garth and Peter Facinelli

Jennie and Peter had been together since the mid-'90s, so it was a bit shocking when the "Beverly Hills, 90210" alum and her "Twilight" hubby called it quits after spending 17 years together -- and having three kids. Jennie Garth peter facinelli deny cheating, Jennie Garth says peter facinelli dating jaimie alexander stings, An Unfinished Affair.

Eva Longoria and Eduardo Cruz

Although they had briefly called it quits earlier in the year, Eva and Eduardo officially put a fork in their relationship in June. We wonder if Eduardo's sister Penelope is sad that she and Eva won't be sisters-in-law. Eva Longoria eduardo cruz amicable, eva longoria eduardo cruz, eva longoria mark sanchez.

Chad Johnson and Evelyn Lozada

The ink had barely dried on the marriage certificate when Evelyn filed for divorce from her NFL star hubby. Chad Ochocinco johnson head butted evelyn lozada divorce, chad ochocinco johnson evelyn lozada married 41 days, Evelyn Lozada drops restraining order against chad johnson.

Minka Kelly and Derek Jeter

Minka and her Yankee called game over on their relationship in February after dating on-and-off for four years. Minka kelly derek jeter, minka kelly rebound with wilmer valderrama, derek jeter dating hannah davis.

Joe and Tina Simpson

Papa Joe and his wife, Tina, had been married for 34 years before they decided to call it quits in October. But hey, they're just following in daughters Jessica and Ashlee Simpson's footsteps. Joe and tina simpson marriage has become insupportable because of discord or conflict of personalities, Tina and Joe Simpson File for Divorce Amid Gay Rumors.

Hilary Swank and John Campisi

There was no "P.S. I Love You" when Hilary and her agent beau ended their five-year relationship in August. Swank dumped campisi because he didn’t want to marry her, Hilary swank dating laurent fleur, Hilary swank divorced chad lowe because of drug addiction.

Russell Crowe and Danielle Spencer

Hopefully Danielle removed all the phones from the room before she and Russell discussed parting ways after nine years of marriage. (You know how Russell likes to chuck those things around when he's mad.) The split was announced in October. Russell Crowe danielle spencer $25 million pre-nuptial agreement, Russell crowe bring family back together, The Crossing.

Djimon Hounsou and Kimora Lee

Though they never married, Djimon and Kimora were together for five and a half years and considered themselves "kind of" engaged. They announced their split in November. Djimon Hounsou kimora lee simmons co-parenting, Djimon Hounsou Kimora lee simmons kenzo, kimora lee simmons dating wladimir klitschko.

Mayim Bialik and Michael Stone

Attachment-parenting advocate Mayim wasn't too attached to her husband of nine years. The couple announced their divorce the day before Thanksgiving. Mayim Bialik Parenting Style Didn't Cause Divorce, Mayim Bialik sons.

Ben Flajnik and Courtney Robertson

She got the final rose and the diamond ring to go along with it, but Courtney won't be getting a walk down the aisle with Ben. The "Bachelor" couple couldn't make their love last when the cameras stopped rolling, and they ended their engagement in October. Ben Flajnik and Courtney Robertson break up over distance and time apart, Courtney Robertson dating Arie Luyendyk Jr., Ashley Hebert and J.P. Rosenbaum wedding.

Jamie Campbell Bower and Bonnie Wright

Jamie and Bonnie seemed like a match made in teen-movie heaven. But the "Breaking Dawn" star and his "Harry Potter" fiancee didn't make it down the aisle. Instead, they called off their engagement and announced their split in July. Jamie Campbell bower lily collins, Harry Potter and the Deathly Hallows - Part 1, Bonnie Wright fashion.

Heather Matarazzo and Caroline Murphy

They'd been waiting to get married for four years, but Heather and Caroline will never say, "I do" -- at least not to each other. The "Welcome to the Dollhouse" star and her fiancee announced their split in November after living apart for a while. Heather Matarazzo carolyn murphy no longer in love, states support gay marriage, Heather Matarazzo.