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Denise Richards, Richie Sambora

BEVERLY HILLS, CA - MAY 07: Actress Denise Richards (L) and Richie Sambora attend the 12th Annual Golden Heart Awards Gala at the Beverly Wilshire Four Seasons Hotel on May 7, 2012 in Beverly Hills, California. (Photo by Imeh Akpanudosen/Getty Images)

2012's Celebrity Breakups

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