John Mayer ended an already emotional tour-opening show at Milwaukee's Marcus Amphitheatre on a high note when he reportedly dedicated the last song of his set, "A Face To Call Home," to on-again off-again girlfriend Katy Perry, calling her "my face to call home." Hard to believe that Paris Hilton is signed to the record label that built its empire off street-bred artists like Juvenile, B.G. and Lil Wayne, but in May it was announced that the Hilton heiress has joined Cash Money, and Birdman couldn't be more excited. "She got a record we're about to come out with and she's very talented. You know she's already somethin' special as an entrepreneur and everything that she do," Viral-video sensation Rebecca Black has emerged after a bit of an Internet hiatus ? with a brand-new cover of Miley Cyrus' salacious summertime hit "We Can't Stop."