Kelly Osbourne Responds to Weight Gain, "Fat Rehab" Rumors

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Whether she's shaving her head or doing graffiti with Justin Bieber, Kelly Osbourne has been the subject of several strange headlines recently. Apparently fed up (no pun intended) the daughter of Ozzy decided to respond this week to some rumors concerning her eternally shape-shifting figure.

Addressing claims that she's gained 20 pounds and enrolled herself in some sort of high-end Hollywood fat camp, the never-shy Kelly recently fired off a series of tweets aimed at her critics. 

"Whom ever started the rumor that I'm in "fat rehab" what exactly is "fat rehab" is it a 12 step program if so what might they be?" read one tweet. To clear up any confusion, Kelly added shortly after, "I have Not gained 20lbs!"

Lisa Osbourne, Jack Osbourne, Kelly Osbourne, Baby Minnie, and Ozzy Osbourne

While recent photos of Osbourne seem to confirm that she's maintained her trim figure, it might be a good thing that she's the subject of unflattering rumors. In her work as a snarky fashion critic, Kelly has been brutal toward stars who have packed on pounds in the past.

During her feud with Christina Aguilera  Kelly famously referred to the singer as a "fat b!tch" and claimed that even at her heaviest, she was "never that fat." 

Harsh words (Osbourne later apologized), and the sort of criticism that Kelly may consider keeping to herself now that she's also been the subject of vicious weight speculation. 

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Kelly Osbourne Biography

Kelly Osbourne and Sonogram
Kelly Osbourne rose to fame because her father is a drugged out rock star and her mother an attention-starved judge on America's Got... More »
London, England
Full Name
Kelly Michelle Lee Osbourne