Paris Hilton was clubbing this week and an eyewitness tells RadarOnline.com that the hotel heiress ate it at a West Hollywood night spot.

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“We were at Trousdale,” an eyewitness says, “and Paris just fell on her face.”

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Our source says “she was wasted,” and fell down several times Tuesday  night. She was with sister Nicky and Janet Jackson’s ex Jermaine Dupri.

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This wasn’t the first stop of the evening for Paris and Company. She was seen at Milk Studios at the launch of a clothing line for J.C. Penny. Very un-Hilton like.

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Maybe that’s why she fell on her face!