You've seen parts one and two already. Now, in the third part of his Billboard.com interview, Glee's Grant Gustin (Sebastian) tackles even more important fan questions. Does he really smell like Craigslist? "I don’t know that Craigslist really has a smell, and I don’t think I smell like it." Is Annie OK? [deadpanning] "I have asked so many times, and she won’t respond. So I can't... I don’t know." Plus, what celebrity would Grant most like to meet? Watch the video to find out!