According to the Internet, Zac Efron will have a role in the upcoming "The Hangover 2." However, according to the film's star, Justin Bartha, you shouldn't believe everything the Internet tells you  after all, if you did, you'd also be under the impression that Robert Pattinson might be joining Efron in the sequel to last year's hit comedy."Other people have said that, and we were at the Critics' Choice Awards the other day and I'll quote [director] Todd Phillips when someone else asked [if Zac Efron is in the film] he said, 'IMDB is not the Wall Street Journal. It is run by a 15-year-old boy in Tampa. So be careful what you read,' "Bartha told MTV News on the Golden Globes red carpet on Sunday.