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Usually, in red carpet photography lineups, the best the gawking class can do is hope that a fraction of a nipple breaks loose of its couture prison, or that a flashbulb renders a sheer dress temporarily translucent. But at P. Diddy's birthday party, Tara Reid's loose garment forever upped the ante in the slippage game, revealing all as the cameras happily snapped away. Next week, look for Paris Hilton to accept the challenge and "accidentally" detonate her panties at a press conference as a family of hairless beavers "coincidentally" parades through the melee. (Uncovered, NSFW version after the jump.)

This image was lost some time after publication, but you can still view it here.