Loose LipsOne of our favorite gold medal girls, Nastia Liukin, is going to guest star on Gossip Girl. "I was going to play myself and then they thought it would be cool to give me a character," Nastia tells Reuters. "A bunch of my friends always watch, so to actually be on it, it's really cool." • Cranky old conservative Robert Duvall was bashing a lot of people and getting their names wrong at a recent GOP fundraiser in Virginia. "It bothers me that certain people in the Republican Party are attacking the McCain-Palin ticket. Like the super-nerd George — what's his name? George Wills[sic] . . . and Tommy Thompson. The original block of wood," Duvall said. He also rags on Gloria Steinem and says of Barack Obama, "As far as I'm concerned, we've got to keep this guy out of the White House." • Jennifer Aniston and John Mayer were spotted on a grope-tastic date yesterday in L.A.[Reuters, Politico, Us]