Justin Bieber + Friends: Usher

The man to whom Justin Bieber may owe his stardom is none other than former teen phenom Usher, who signed him to Raymond Braun Media Group and changed not only Bieber's life, but pop culture, forever.

The R&B superstar, who also came of age in the spotlight, has been referred to as Bieber's "big bro" (just like pal Lil Wayne) and serves as his mentor.

Usher's wisdom helps Bieber not just with music, fame and sick dance moves -- he even gave the 'Boyfriend' singer counsel during the whole Mariah Yeater mess.

What's Usher's best advice for Biebs? “Stay strong. And know that all of this comes with the territory.”