Tim Nwachukwu/Getty Images Usher doesn't think his intimate moment with Alicia Keys during ... of their 2004 collaboration "My Boo." Usher ultimately said he and Keys' music producer husband ...

Congrats @usher and my love @aliciakeys that song is a classic ... and the pair sang "My Boo," embracing in a hug to conclude the joint performance. Alicia Keys Scorches in Head-to-Toe Red ...