17 Most Powerful Stars Under 21

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Seventeen Magazine counts down 17 most powerful girls under 21. 

1. Selena Gomez: The Mogul

Selena Gomez: The Mogul
Fashion icon, clothing designer, superstar singer, social media powerhouse -- Selena's entering mogul territory.

2. Demi Lovato: The Cool Chick

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: 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

Victoria Justice: The Philanthropist
This young star is making a difference.

5. Chloe Moretz: The Bodyguard

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 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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Victoria Justice, Ashley Rickards
Selena Gomez, Demi Lovato, Miley Cyrus, Chloe Moretz, Karlie Kloss, Gabby Douglas, Lorde, Cara Delevingne, Gina Carano, Ariana Grande, Kate Upton, Ariel Winter, Abigail Breslin, Carly Rose Sonenclar, Zendaya Coleman, Bridgit Mendler
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Victoria Justice Slideshows, Selena Gomez Slideshows, Demi Lovato Slideshows, Miley Cyrus Slideshows, Chloe Moretz Slideshows, Karlie Kloss Slideshows, Gabby Douglas Slideshows, Lorde Slideshows, Cara Delevingne Slideshows, Ariana Grande Slideshows, Kate Upton Slideshows, Ariel Winter Slideshows, Zendaya Coleman Slideshows
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