Britney caught in topless romp with a stranger in hotel pool

Out-of-control Britney Spears' wild rampage continues with new reports revealing the single former pop star romped around topless with a man she barely knew during an alcohol fuelled bender.

College student Matt Encinias has spoken for the first time about his encounter with the mother-of-two at LA's Standard Downtown hotel pool just five hours after turning up to appear as an extra in her new video clip last month.

The Californian claims he and a group of his male friends were handpicked by Britney's assistant to keep the singer company at the hotel pool.

Encinias told American magazine Us: "Britney was the first one to undress, and then everyone else followed."

"I turned around and saw that she was topless and she had fake tattoos of flowers on her nipples from the shoot."

He continued: "I was told all she wanted to do that night was kiss a boy."

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"And that's what she did. Mission accomplished."

Despite knowing her two sons Sean Preston and Jayden James were scheduled to be dropped off the following day at noon, Britney arranged for the hotel to open the pool at 2am especially for her entourage.

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After hours of drinking - Britney was swigging Mojito as well as Jack Daniels according to reports - the intoxicated star suggested a game of Truth or Dare.

The 21-year-old explains: "I was dared to get naked and get out of the pool and walk as though I was on a catwalk in a fashion show. Britney was laughing really hard."

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He claims he was invited back to her hotel room at 4am but denies having sex with Spears, noting a bodyguard cut the night short after demanding he take his intoxicated friend home.

Britney's divorce from Kevin Federline was finalised last month, but sources say he is concerned by his former wife's increasingly erratic behaviour and intends to seek full custody of their children.