Twitter.com - Follow Us! Facebook.com - Click LIke! Which young music stars have what it takes to go the distance? The Billboard magazine break-down is up next. ClevverTV is back. I'm Joslyn Davis, thanks for joining us today. Billboard magazine has just revealed it's 21 under 21 list, meaning the top 21 music stars under the age 21. Billboard compiles the list based on the young stars' "potential to rule pop culture over the next 12 months," so this list isn't about those one hit wonders out there. There were a few surprises, but all in all, I think you guys will be pleased with the run-down. So here are few of the brand new up and comers making the list - there's Australian singer Cody Simpson, who came in at number 20. He's continually compared to Justin Bieber, who of course is also towards the top of the list too. Another semi-surprise was Chris Colfer who scored the number 13 spot. We know him from Glee, but maybe he'll soon be doing a solo project too. If so, we can't wait. "Whip My Hair" sensation and mini-me Rihanna Willow Smith stole the 7th spot, beating out a ton of veterans like Demi Lovato, Miley Cyrus, Miranda Cosgrove and Taylor Momsen, all of whom are on the list below her. Also landing a spot is one of our favorite newcomers, Greyson Chance, who at number 9 is proving that he's around to stay. Glee's guest star, Charice came it at number 4, only being beat out by the top three who are: number 3, Selena Gomez, number 2, Justin Bieber and number 1, Taylor <b>...</b>