Leighton Meester and Blake Lively on the set of Gossip Girl in Paris at Pont Des Arts

We spotted the 24-year-old actress Leighton Meester and her 22-year-old co-star Blake Lively working on the first two episodes of Gossip Girl's fourth season! Blake fed Leighton a Ladurée Macaron on the famous Pont des arts, so Parisian !!! Other scenes were shot in St Germain des Pres... Paris, FRANCE , Monday 5 July 2010