Kelly Osbourne to Christina Aguilera on E!’s Fashion Police: You’re a ‘fat b—-‘

The heavyweight battle between Kelly Osbourne and Christina Aguilera has been revived after the reality star slammed her rival this week as a “fat b—-.”

Osbourne, 26, made the snarky remark during an appearance on E!’s Fashion Police after host Joan Rivers said Aguilera looked “stuffed into” a black Givenchy dress at a recent event promoting her perfume.

“Maybe she is just becoming the fat b—- she was born to be. I don’t know. She was a c—t to me,” Osbourne sniped.

The slimmed-down celeb added that Aguilera –who has been struggling with her weight since the birth of her son Max in 2008 –, “called me fat for so many f—— years. So you know what? F— you. You’re fat too.”

Osbourne and Aguilera have famously feuded for years.

In 2003, at the MTV Europe Music Awards, the network aired a skit of the singer throwing darts at a photo at Osbourne.

When Aguilera took the stage, she ripped into Osbourne, saying “Oh Lord, I didn’t know realize it was still Halloween.”

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