1. Lady Gaga performs live in Oslo, Norway, as part of her Monster Ball Tour.
3. Lady Gaga performs live in Oslo, Norway, as part of her Monster Ball Tour.
Lady GaGa Performs Live in Oslo
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 Lady Gaga performs live in Oslo, Norway, as part of her Monster Ball Tour. Photo: Getty Images
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Lady GaGa Performs Live in Oslo
2 of 3
 Lady Gaga performs live in Oslo, Norway, as part of her Monster Ball Tour. Photo: Getty Images
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Lady GaGa Performs Live in Oslo
3 of 3
 Lady Gaga performs live in Oslo, Norway, as part of her Monster Ball Tour. Photo: Getty Images
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