There's a serious epidemic in Hollywood that until now hasn't been truly addressed: the epidemic of actresses shacking up with musicians. The latest pairing: serial musician-dater Kate Hudson, who's having a baby with Muse frontman Matt Bellamy. (She's already got a son with Black Crowes frontman, Christ Robinson.) But Hudson's hardly the only actress lured into the seductive musician lair. Read on for other actress girls who love getting with the guys in the band.