Chace(Nate) and Aaron(Tripp)
Aaron Tveit attends the "Les Miserables" New York premiere at Ziegfeld Theatre in New York City (December CREDIT: GETTY Stars and Their Kids Guess the Celebrity Mom Hot Brothers!
William "Tripp" van der Bilt III is a recurring character in the Gossip Girl television series.
Nate’s cousin Tripp arrives on Gossip Girl set
Aaron at the Annual Screen Actors Guild Awards - aaron-tveit Photo