Watch: #LadyGaga And #TonyBennett Perform 'Cheek to Cheek' At #Grammys 2015

Lady Gaga looked ravishing in a black dress while performing “Cheek to Cheek” with Tony Bennett at the #GrammyAwards in LA on Sunday. They also took home the award for Best Traditional Pop Vocal Album for their collaboration, beating out #AnnieLennox, #BarryManilow, and #BarbraStreisand. Watch their performance below.