Lady Gaga flashes at concert

The 'Poker Face' hitmaker took to the stage at Twickenham Stadium near London on Saturday night for the first date on the British leg of her Born This Way Ball tour, reported Daily Star.

Gaga, 26, bent over at the front of the stage in front of 50,000 fans , lifted her white T-shirt, and showed off her backside and skimpy underwear.

The 'Poker Face' hitmaker stunt was not the only moment of controversy during the concert, she also unveiled a new song about late British royal Diana, Princess of Wales titled 'Princess DIE'.