25/09/2011 09:54 BST | Updated 22/05/2015 10:12 BST

From Demure To Diva: Lady Gaga And Jennifer Lopez At The IHeart Radio Music Festival

From demure to diva: Lady Gaga and Jennifer Lopez at the iHeart Radio Music Festival Lady Gaga and J Lo do demure on the red carpet. Getty Images for Clear Channel/WireImage

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