Zac Efron (18.10.1987) - well, he does not know him? He's famous for his role Troy Bolton in "HSM", but also for many other movies.
Chace Crawford (18.7.1985) is the main male character in "Gossip Girl".
Justin Bieber (1.3.1994) is a young singer, featured by sexy Usher.
Robert Pattinson (13.5.1986) is the main male character in "Twilight".
Taylor Lautner (11.2.192) is Jacob Black in "Twilight" - he is the hottest character in the "Twilight Saga".