The Poker Face star returned to the U.K. capital with her Monster Ball tour and was at her controversial best when a fan threw a doll of Father Christmas onto the stage.
Gaga accepted the gift - but then stunned the audience by biting into it with her teeth before finishing it off with the heel of her shoe.
She told her victim, "I hate the holidays. I'm alone and miserable you f**king stuffed little toy."
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