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Lady Gaga is set to play a one-off gig in London this week.
The gig will see Gaga performing tracks from her forthcoming new album 'Born This Way', which is due out on May 23.
Fans can win tickets through Belvedere's Facebook page from 6am on Wednesday morning (12.05).
The show comes after figures revealed her 'Monster Ball' tour was the highest grossing by a debut artist.