SPOTTED: Prince Louis Grimaldi on the Upper East Side... and Toting a Ring for Blair? 4 of 9 Prev Autoplay Next Tweet February 18, 2011 by Jager Weatherby Related: Gossip Girl, Leighton Meester , Blair Waldorf full size Credit: Doug Meszler/Splash News Leighton Meester Buttons Up on the Set of Gossip Girl on February 18, 2011 Ooh la la! We're loving that Milly 'Phoebe Marais' triple-chain coat!
