They're a chance for music's biggest stars to show off their style. Sometimes they get it right, sometimes they don't.
Fab: Prince's bow
Image by Theo Wargo / Getty Images
Drab: Mick Jagger's belly shirt
Image by Theo Wargo / Getty Images
Fab: Michael Jackson's golden ammo sashes
Image by Mike Powell / Getty Images
Drab: Kid Rock's American flag poncho
Image by Frank Micelotta / Getty Images
