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Kirstie Alley isn't doing Dancing With the Stars.

"Just a rumor," she Twittered Thursday. "Imagine that. NOT doing DWTS this season... Way too chicken!! Maybe next season if Im invited again!!!"

On Wednesday, exclusively reported that David Hasselhoff will join Jersey Shore's Mike "The Situation" Sorrentino and The Hills alum Audrina Patridge on the show's 11th season, premiering Sept. 20.

Another name being mentioned: Bristol Palin.

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