Teen sensation Justin Bieber says he is grateful to pop star Usher for all the support he has provided him and that he relies on him for guidance.
"I call him all the time. I ask for advice. We hang out. He's probably the closest person to me in the music business," femalefirst.co.uk quoted him as saying.
Usher stepped in to help Justin rise to fame when he was discovered on video sharing website YouTube by his now-manager Scooter Braun.
"I just started posting videos online and then it just got to the point where they wanted to move me out to Atlanta and start recording songs," he said.
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