Photo: Lady Gaga Reveals Her Derriere For Cover Art Of New Single Featuring R. Kelly

Lady Gaga clearly saw Kim Kardashian's recent tweet, for now the singer has posted a picture of her derriere to her millions of online followers. Wearing just a floral thong, nearly all of Gaga's behind is on show, as she sticks it out towards the camera lens. But it seems the image may be more than just not so subtle
attempt to show off her enviable curves, but a publicity stunt to promote her new single with R. Kelly. Hmmm, the competition is getting fiercer! Whaddup Rihanna & Miley?