"I met him at the MTV Movie Awards... He's got this presence like Buddha, he's like the young prince... I went up to say hi and the security guard's like, 'Woah, woah...' He's ready to take me down and Bieber just does this two-finger wave, like, 'He's OK'... He's like a 16-year-old (Frank) Sinatra." Shia LaBeouf on meeting Justin Bieber.