North Texas-raised actor Chace Crawford shared a heartfelt tribute to his late Gossip Girl co-star Michelle Trachtenberg, who was found dead on Wednesday.

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.

News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip Girl" costars.