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Ashton Kutcher & Demi Moore

Married 6 years

The Split: On Nov. 17, after weeks of Kabbalah counseling aimed at saving their marriage (one major issue: The Two and a Half Men star, 33, allegedly spent their sixth anniversary with another woman), the actress, 49, announced she'd chosen "to move forward with my life."

The Aftermath: Moore went into virtual hiding, while Kutcher returned to working-and tweeting. He told his followers, "I will forever cherish the time I spent with Demi."

Leonardo DiCaprio & Bar Refaeli

Together 5 years

The Split: The on-and-off romance between the actor, 37, and the model, 26, ended for good in May.

The Aftermath: He had a jet-setting summer fling with Blake Lively, 24, which was over by fall.

Jennifer Lopez & Marc Anthony

Married 7 years

The Split: After what a source called "two months of nonstop arguing," the singers announced July 15 they were ending their marriage.

The Aftermath: Lopez, 42, was briefly linked to Bradley Cooper, 36, but is now dating her backup dancer Casper Smart, 24. Anthony, 43, "would rather she pick someone more her equal," says another source. Despite his disapproval, the exes are still collaborating on their upcoming talent show ¡Q'Viva! The Chosen.

They STRUCK OUT

Derek Jeter & Minka Kelly

Together 3 years

• The Split: In August the baseball star, 37, and his actress girlfriend, 31, confirmed that they were no longer teaming up.

The Aftermath: Kelly was reportedly spotted with Jeter in October. "They care about each other," said a source. "They're still friends."

Alex Rodriguez & Cameron Diaz

Together 1½ years

• The Split: The New York Yankees slugger, 36, ended the relationship in June, then quickly reunited with the actress, 39. Three months later they both agreed that they should play the field.

The Aftermath: "I have a lot of love for Cameron," he told PEOPLE. "We'll always be friends."

Arnold Schwarzenegger & Maria Shriver

Married 25 years

The Split: Their separation in May was a surprise, but the real shock was that Schwarzenegger had secretly fathered a son, 14, with their longtime housekeeper.

The Aftermath: The ex-California governor, 64, has returned to filming action movies, while Shriver, 56, is keeping a low profile.

Elizabeth Hurley & Arun Nayar

Married 4 years

The Split: In June a London court granted the actress, 46, and businessman, 47, a divorce on the grounds of his "unreasonable behavior."

The Aftermath: In October she announced her engagement to Australian cricket star Shane Warne, 42.

Olivia Wilde & Tao Ruspoli

Married 8 years

The Split: In March the House actress, 27, filed for divorce from the Italian prince, 36, whom she'd wed at 18.

The Aftermath: Wilde, who said she felt "wobbly" as a single woman, platonically partied with stars such as Jake Gyllenhaal and Justin Timberlake and is dating Jason Sudeikis.