JUSTIN & CAMERON

TOGETHER 3 YEARS

The Split Up
After their reign as Hollywood's fun-loving PDA champs, Justin Timberlake, 26, and Cameron Diaz, 35, had parted by early '07. "It was time to move on," a pal told PEOPLE.

The Aftermath
Jessica Biel joined him on tour; she stepped out with John Mayer and Bradley Cooper.

The Silver Lining
They'll always have Shrek the Third.

MICHELLE & HEATH

TOGETHER 3 YEARS

The Split Up
Heath Ledger, 28, and Michelle Williams, 27—who met making Brokeback Mountain in 2004 and nabbed matching Oscar nominations—quietly split in late summer. For the parents of Matilda, 2, "it was rocky for a while," a source said. "They did what they could to make it work."

The Aftermath
Ledger has hit the nightclub scene with model Helena Christensen and others when he's not hanging with Matilda. Williams, who was recently spotted with actor Ryan Gosling, told Spanish Vogue: "My daughter is the center of my life."

MARILYN & DITA

TOGETHER 1 YEAR

The Split Up
Goth rocker Marilyn Manson, 38, and burlesque dancer Dita Von Teese, 35, wed in Ireland in 2005. But in January, news broke that Von Teese had filed for divorce. Soon, Manson was linked with actress Evan Rachel Wood, 20. Said Von Teese: "I wasn't supportive of his lifestyle, and someone else came along who was."

The Aftermath: Meet the new odd couple. "It may surprise you just how healthy and loving our relationship is," Wood told British Elle.

DIDDY & KIM

ON & OFF 10 YEARS

The Split Up
Sean "Diddy" Combs, 38, and longtime on-and-off girlfriend Kim Porter, 37, welcomed twins Jessie and D'Lila in '06 (joining their son Christian, 9). Then, Porter said, she discovered Diddy had a baby with another woman (Diddy had no comment to PEOPLE at the time).

The Aftermath
Porter packed up the furniture—even the kitchen table—in their East Coast home and moved to L.A. "The respect is gone," she told Essence.

LINDA & HULK

Married 23 YEARS

Hogan was caught off-guard when his wife filed for divorce.

DYLAN & SHIVA ROSE

Married 12 YEARS

The McDermotts, who have two daughters, announced their separation.

RICHIE & DENISE

Together 1 YEAR

Turns out it was just a rebound romance for the exes of Heather Locklear and Charlie Sheen.

LANCE & REICHEN

Together 1 YEAR

'N Sync's Bass and Amazing Race winner Lehmkuhl said bye bye bye.