POP ICON: Lady Gaga

Updated: Apr 23, 2012 18:04 IST

The album's success allowed Lady Gaga to embark on the eighteen-month long Monster Ball Tour, which later became one of the highest-grossing concert tours of all time.
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The album's success allowed Lady Gaga to embark on the eighteen-month long Monster Ball Tour, which later became one of the highest-grossing concert tours of all time.

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