Leighton Meester brought her dog to the NYC set of Gossip Girl today. She spent time with costars like Chace Crawford and Elizabeth Hurley, who was also spotted working with the cast earlier this month. The shooting distracted Leighton from some ongoing legal issues. Leighton Meester's suing her mother for allegedly misusing money — and her mom actually issued a counter suit! Elizabeth, meanwhile, had her son, Damian, on hand to see the backstage workings of the CW show. Despite her happy face as she walked between scenes, Elizabeth wasn't feeling her best. She tweeted yesterday, "On set of Gossip Girl with streaming cold and sore throat. I blame the air conditioning!" Leighton will have to leave the Big Apple production in order to visit Canada in September. Her project The Oranges is among the many movies premiering at the Toronto Film Festival.