May 8, 2014 3:48 am Zac Efron Dishes on Seth Rogen's Pranks on “The Tonight Show” Zac Efron says he took off his shirt when Seth Rogen asked him to while shooting “Neighbors” until he realized that the “Knocked Up” star was only giving him a hard time. Local 1:45 NYPD enters Columbia University in riot gear to clear protest 1:14 El Minuto 4/30 Spanish Edition 1:02 El Minuto 4/30 English Edition 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name