Britney Spears stunned revellers at Manhattan, New York's Club One at the weekend (11FEB07) by stripping down to her underwear and cavorting with a female dancer.
The single mum told friends she was unhappy with her outfit for the night out and decided to remove it in full view of clubbers.
Wild woman Britney then dirty danced with another nearly naked reveller, fuelling speculation about her sexuality.
Last week a friend of her estranged husband Kevin Federline came forward with claims Spears hosted sex parties for her girlfriends at her Malibu, California home and enjoyed "threesomes."
Spears' representatives were quick to shoot down the allegations, made to the US tabloids by producer Omar Sharif.
The pop superstar's wild night out in Manhattan reportedly ended at another New York club, where the TOXIC singer had to be carried out unconscious, according to US news show Extra.
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