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Adam Levine

LOS ANGELES, CA - FEBRUARY 12: Singer Adam Levine (R) of Maroon 5 and Anne V arrive at the 54th Annual GRAMMY Awards held at Staples Center on February 12, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

2012's Celebrity Breakups

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