Winning Grammy "Would Mean the World" to Bieber

Justin Bieber may only be 16, but he's one of the biggest pop stars on earth.

He's the third most-followed person in the world on Twitter. He's sold over 7 million songs online. And the music video for his hit single "Baby" is the most-viewed in the history of YouTube.

His first full album, released in March, went double platinum.

He's been nominated for two Grammy Awards, including Best New Artist.

And his book, "First Step 2 Forever," is a New York Times best-seller.

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What's it all mean to Bieber?

"Early Show" Special Contributor Tyler McGill caught up with the teen idol at a recent concert at New York's Madison Square Garden and got a loud dose of "Bieber Fever."

"It's definitely been great," Bieber told McGill. "I've been having a great time with just this whole experience.
Over the past year, everything has just happened so quickly."

Bieber is the first musician to go from Internet sensation to mainstream stardom.

R&B star Usher played a big part is propelling Bieber to success, and is "a really big part of my," Bieber told McGill. " … I call him all the time, I ask him for advice. We hang out. He's probably the closest person to me in the music business."

But winning a Grammy would be a new topper for Bieber, he gushed to McGill, saying, "It would mean the world to me; that's definitely one of my dreams, to win a Grammy. So, to have two Grammy nominations is crazy!"

To see the entire interview, click on the video below: