Actress Kirstie Alley has threatened to launch legal action against a Twitter.com user who she's accused of "impersonating" her.
The former Cheers star is a regular blogger on the social networking website, and she recently became aware of another member with the username Kristie Alley.
And she's fired off an angry message to warn the mystery writer to stop "using my name" - vowing to "go after" the blogger for apparently passing herself off as the star online.
In a post on her Twitter page, Alley writes, "Hey @kristie_alley If u tweets paid Ads using my name... Imma (sic) sue u... Imma (sic) go after u anyway for impersonating me... U need to stop."
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