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That's right, another supposed Britney sex tape has reportedly surfaced - and this one apparently involves a cast of four!

According to Fox News, a sex tape hit the web Wednesday that featured a bald Britney with two women and one man. Fox goes on to describe that the video shows a "dazed [B]ritney" drinking, smoking pot and snorting cocaine.

This is probably about the 50th Britney sex tape rumor making the rounds...you think there's any truth to it?

UPDATE: We're hearing reports that this Fox News article is fake...fake article, fake sex tape? What's real?