Kanye West's megalomania has hit a new peak: In his latest Twitter tide of tweets, West claimed to be "$53 million in personal debt" and demanded that Mark Zuckerberg invest $1 billion in him as the "greatest artist of all time."
Bieber was the final act in a night that also featured performances from Taylor Swift, One Direction, Ne-Yo and The Wanted, who made a girl's night by bringing her on stage during "Glad You Came."