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

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.

7. Gabby Douglas: The Champion

Olympian and best selling author? Go, Gabby!

8. Lorde: The Badass

All hail Lorde, the coolest queen bee in music.

9. Cara Delevingne: The Free Spirit

Supermodel Cara's stand-out features and fun personality make for a winning combo.

10. Ariana Grande: The Social Superstar

A voice like Mariah's and hit show? Ariana is definitely a powerful young star.

11. Kate Upton: The Cover Girl

Everyone's favorite bombshell has graced countless covers this past year.

12. Ariel Winter: The Brave One

Ariel is one of the best parts of Modern Family, and she dealt with public family issues with grace.

13. Abigail Breslin: The Veteran

This child star turned teen acting dynamo can hold her own next to Meryl Streep and Julia Roberts!

14. Carly Rose Sonenclar: The Voice

The X-Factor finalist has vocals and heart.

15. Ashley Rickards: The Activist

This Awkward star was a participant in the Live Below the Line Campaign.

16. Zendaya Coleman: The Triple Threat

Zendaya can dance (she rocked DWTS), sing, and act.

17. Bridgit Mendler: The Rising Star

The multi-talented Good Luck Charlie beauty is making a household name for herself.

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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
Related Photos:
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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