The 18-year-old heartthrob's key to handling all that attention, particularly from female fans? He tells E! News in an exclusive interview airing tonight that he keeps his family close and spending time with friends helps keep him sane.
Plus, the kid enjoys his alone time—though he insists he loves meeting his fans and always wants them to have "the greatest time" at his live shows.
And Bieber is planning on adding to their enjoyment by logging more time on the big screen.
In addition to his upcoming Believe Tour, which kicks off Sept. 29 in support of his hit album of the same name, the former CSI guest star says that he wants to do more acting and he's been meeting with Mark Wahlberg about a "basketball-themed script."
Do tell us more, Justin!
Watch our complete interview with the pop star tonight on E! News at 7 p.m. and 11:30 p.m.