Lady Gaga launched the sold-out UK/Europe leg of her MAYHEM Ball tour with the first of four nights at The O2 in London. The show featured a surprise appearance from WEDNESDAY stars Emma Myers and Evie Templeton who joined Gaga onstage for a stunning performance of her current hit single The Dead Dance. View 5 Images Wednesday stars join Gaga on stage (Image: Samir Hussein/Getty Images for L)

CAUGHT LIVE: LADY GAGA , The O2, London **** ‌

PAWS UP Little Monsters , your Mistress of Mayhem is rolling fans over and rubbing bellies with her most bewilderingly brilliant and satisfyingly treat yet. ‌

The Mayhem wasn’t reserved for the stage, as this four act Gaga show is immersive on all fronts, plonking audiences into the heart of Alice in Wonderland pimped opera ho

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