Zach Braff Heartbroken

"Scrubs" star Zach Braff is lovesick for ex-girlfriend Mandy Moore - just like Adrian Grenier was on "Entourage." Braff is supposedly so torn up from his June split with Moore, "he refuses to leave his house," a friend of his tells Us. "His friends don't know how to cheer him up." But Braff's rep says, "Zach has been working around the clock. He is fine."

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