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Lady Gaga: Happy Birthday!
When the second leg of the 'Monster Ball' tour crossed the globe at the turn of 2010 it was heavily revamped. The biggest change was the introduction of a storyline set in New York where Gaga and her friends lost their way in several scenarios as they tried to reach the 'Monster Ball'. Costume changes got weirder and even more extravagant with the 'Bad Romance' singer making five changes throughout her set.