Check out the latest photo spread of Michelle Trachtenberg, the deliciously evil Georgina Sparks on 'Gossip Girl'. As we all know, the 23-year-old actress will be heading back to Gossip Girl as Georgina Sparks to film a few episodes for Season 3. But her main focus will be on NBC's new fall drama 'Mercy' in which she will play a naive and hardworking nurse Chloe Payne. [Photo: yule.sohu.com.cn]