Jordan Knight knows a thing or two about being a teen heartthrob.

As the lead singer of the New Kids on the Block, Knight understands what Justin Bieber is going through and has some advice for the latest sensation.

"Don't let all the fans really make you think that you're God," he explains, also reminding the Biebs to "have a lot of fun with" his success.

As for Knight himself, he's gearing up for the NKOTBSB tour -- the combination of New Kids and the Backstreet Boys -- and also has a new solo album, titled 'Unfinished.' Watch More of Our Chat Inside!