 
 Lady Gaga wore a revealing dress at a news conference in Mexico City on Friday (May 6) – just hours before she played the last date on her Monster Ball world tour.
The singer shocked journalists as she answered questions in a sheer blue dress, with only stickers protecting her modesty.
Later in the evening, Lady Gaga went on to play the final night of her 200-date Monster Ball jaunt, which sold $227.4m worth of tickets.
According to Billboard, it is the highest-grossing tour ever by an artist on their debut album and the 14th highest grossing of all time.
After opening in Montreal in November 2009, the tour made repeat visits to the US and UK, and underwent several production revamps.
Lady Gaga releases her new album 'Born This Way' on May 23.
Lady Gaga - The Monster Ball
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