Posted on Mon Oct 17th, 2011 11:35am PDT By X17 Staff
Kelly Osbourne is not backing down when it comes to her crusade against Christina Aguilera.
A few months ago, Osbourne, 26, called Aguilera, 30, a "fat b****" on E!'s Fashion Police. Over the weekend, Police co-host George Kotsiopoulous defended Aguilera's weight gain, saying she is "still probably a size 2/4" despite her poor outfit choice.
But Osbourne fired back, saying, "Trust me. I'm a 2/4. That is not a 2/4. ... She called me fat for years. I was never that fat."
Aguilera has faced criticism for her weight gain in recent months. Below is a picture of her in September with son Max.
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