29 / 42

Maria Sharapova, Sasha Vujacic

ISTANBUL TURKEY - NOVEMBER 1: Maria Sharapova and her fiance Sasha Vujacic attend the TAG Heuer Formula 1 Lady Steel and Ceramic Pavee watch launch on November 1, 2011 in Istanbul, Turkey. (Photo by Burak Kara/Getty Images for Tag Heuer)

Celebrity Breakups of 2012

Heidi Klum and Seal, Tom Cruise and Katie Holmes, and many more called it quits this year.