The former 'N Sync-er packed on the post-boy-band pounds, and lived up to his last name, literally becoming the "fat one." After some heavy breathing on the dance floor, he decided to say "bye bye bye" to the pounds and got himself in shape.
BING: Photo shows Fatone's weight wasn't exactly in sync for "DWTS."
FIND: Watch video of Fatone and Brian Scott talking about new season of "Karaoke Battle USA."
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