Taylor Momsen Remembers 'Gossip Girl' Costar Michelle Trachtenberg in Emotional Tribute - 'My Heart is on the Floor'

Taylor Momsen is remembering her late Gossip Girl costar Michelle Trachtenberg. On Wednesday (February 26), we learned that the actress who played Georgina Sparks on the hit series had passed away at the age of 39. Since the tragic news broke, tributes have been pouring in from costars, friends and others close to the star. [...]