FRIENDLY EVER AFTER

Whether they're co-parenting, co-starring or cheering from the sidelines, Hollywood's most amicable exes prove some connections are built to last

- REPORT: SUZANNE WINTROB

CAMERON DIAZ & JUSTIN TIMBERLAKE

They first locked eyes at the 2003 Kids' Choice Awards, where Cameron presented Justin with the Best Burp trophy (she was a past winner!). They dated for four years and have stayed friendly, making their onscreen reunion in 2011's Bad Teacher a pleasure for both. "We're good at being funny together," she told Fame magazine. "We know how to do that. That's easy."

CAMERON DIAZ & JUSTIN TIMBERLAKE

They first locked eyes at the 2003 Kids' Choice Awards, where Cameron presented Justin with the Best Burp trophy (she was a past winner!). They dated for four years and have stayed friendly, making their onscreen reunion in 2011's Bad Teacher a pleasure for both. "We're good at being funny together," she told Fame magazine. "We know how to do that. That's easy."

MARIAH CAREY & NICK CANNON