Mischa Barton could learn a thing or two about showmanship from on-again, off-again beau Cisco Adler. The Whitestarr rocker seemed to have no problem dropping trou and baring all for an intimate, if not terrifying, portrait, but all young Mischa can muster on her way out of L.A. hotspot Eleven is a dismissive camera-averting walk-by? Guess we know who has the cojones in this relationship.