And for that you have to take your hat off to him.Cisco Adler, Lydia Hearst... and some other hot chick.Meanwhile, stars such as Emmy Rossum, Gabrielle Union, Haylie Duff, Jeremy Piven, Katharine McPhee and Rosario Dawson were seen partying at Tao.At the nearby Palms Casino Resort, Maroon 5 played their last show on their North America tour for an audience including Avril Lavigne, Rumer Willis, Br