The Gossip Girl family is mourning Michelle Trachtenberg. Chace Crawford, who played Nate Archibald on the CW show, posted a tribute to the late actress, who was found dead in her apartment Wednesday morning.

Chace Crawford paid tribute to 'Gossip Girl' co-star Michelle Trachtenberg shortly after the news of her death on February 26. The actor penned an emotional message and shared a never-seen throwback photo of the pair from the 'Gossip Girl' set.

Hollywood heartthrobs Ed Westwick and Chace Crawford paid heartfelt tributes to their 'Gossip Girl' co-star Michelle Trachtenberg, after her tragic