during their performance of their 2004 collaboration "My Boo." Usher ultimately said he and Keys' music producer husband, 45, laughed about what people were saying about the pair's close hug on stage.

“My Boo,” which featured Alicia Keys, called back to Usher’s classic R&B roots with a lovestruck ballad, while “Yeah!” reintroduced the artist as an unavoidable staple of club music with ...