Best of 2011

Over and Out! The Year's Biggest Breakups

From Ashton & Demi to Arnold & Maria, 2011 was the end of the road for these star couples

ASHLEE & PETE

"They're on very friendly terms and speaking – it's fine," a source told PEOPLE of Ashlee Simpson and Pete Wentz's February split. It seems after two-and-a-half years of marriage and the arrival of a son, Bronx, the couple had simply "grown apart." And though a reconciliation looked to be in the works, Simpson and Wentz have both moved on to new romances.