17 Most Powerful Stars Under 21
by Alana Altmann at . Updated at .Seventeen Magazine counts down 17 most powerful girls under 21.
1. Selena Gomez: The Mogul
Fashion icon, clothing designer, superstar singer, social media powerhouse -- Selena's entering mogul territory.
2. Demi Lovato: The Cool Chick
The cool best friend we all wish we had... and an awesome singer to boot!
3. Miley Cyrus: The Rebel
Miley Cyrus was EVERYWHERE this past year. Everywhere. Love her or leave her, she's making powerful waves.
4. Victoria Justice: The Philanthropist
This young star is making a difference.
5. Chloe Moretz: The Bodyguard
Chloe, one of Hollywood's hottest young actresses, has discussed the bullying her two gay brothers dealt with growing up.
6. Karlie Kloss: The Model on a Mission
Karlie's not just another gorgeous face. Karlie's Kookies, her cookie line, supports FEED's mission to feed the hungry.
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