Blake Lively goes blue for the celebration launch of Gaga’s Workshop at Barneys New York on Monday (November 21) in New York City. The 24-year-old actress, wearing an Elie Saab single button shawl lapel suit, was joined at the event by her Gossip Girl co-star Mathew Settle. Blake recently teased her fans with some upcoming Gossip Girl tidbits. In an upcoming ep, Blake told Entertainment Weekly a dance scene was recently filmed where “we were all dressed as people who are not ourselves.”