7 / 7

Sir Paul McCartney, Heather Mills

After just four years of marriage, Paul McCartney and his second wife Heather Mills were plagued with divorce rumors in 2006, which she adamantly denied. “Paul and I are together 100 percent,” Mills claimed. Yet just one week later, they were more like zero percent. The two had one of the nastiest divorces in celebrity history, with the onetime topless model walking away with $50 million from the Beatle.

Stars Who Said They'd Never Divorce -- But Did

Courteney Cox and David Arquette, Jennie Garth and Peter Facinelli, and other celeb couples boasted they'd never split -- but they did.