Paul Wesley, Ian Somerhalder and Nina Dobrev of the American CW television series "The Vampire Diaries" wave to fans from the window of a London hotel and later came outside to sign autographs for the mass crowd of screaming teenagers. The trio are in town to promote their hit show, based on a book series of the same name. According to reports co-stars Dobrev and Somerhalder have been seen out and about together, fueling rumors that the two are dating. London, UK. 06/03/10.