Justin Bieber stopped by The Tonight Show starring Jimmy Fallon to perform his new single, 'What Do You Mean?' and announced the release date of his new album.

The newly reformed crooner also explained to Fallon why he got emotional at the end of his performance at the VMAs. Bieber broke down in tears after his performance at the annual MTV award show.

Justin says he was overwhelmed by the support, revealing that the last time he was on stage he got booed.

Say what you want about Bieber, but that had to be tough. Imagine walking into work today, and having the entire office boo you. Ouch!

Justin also revealed the release date for his new album. Check out the interview!

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