06/24/2011 12:04 pm ET | Updated Aug 24, 2011

Lauren Conrad, Kyle Howard Break Up: 'The Hills' Star, Actor Split Up

Like the title of The Hills theme song, Lauren Conrad's love life is still "Unwritten."

After three solid years with actor Kyle Howard, 33, the former reality starlet, 25, and her beau have called it quits, PEOPLE has confirmed.

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