Spotted. Gossip Girl stars celebrate the success of having aired a hundred episodes in just a five seasons. The event made one blast of a Saturday night as the 'uppereastsiders' glammed up in smashing frocks and sleek outfits. Even the boys couldn't be left alone for their handsome looks, as always. Blake Lively and 'Queen Bee' Leighton Meester led their co-stars into the camera-flashing corners and smiled like real NYC heiresses. But who ...