Golden girl Sarah Michelle Gellar emerged from the daytime-TV dungeon of soap-opera acting to worldwide superstardom, knocking dead bloodsuckers and fans alike on the TV phenomenon Buffy the Vampire Slayer from 1997 to 2003. Among mere mortals in the movies, she's slinky and sexy as a slasher-dodging beauty queen in I Know What You Did Last Summer (1997), where she briefly slipped nip, and the French-kissing lesson she bestows upon breathtaking Selma Blair.