At the Young Hollywood Awards in Hollywood on Thursday, the under-30 set in TV and movies brought their A game on the red carpet.

Ashley Greene, 25, who was the evening's emcee, chose black tailored trousers and a strapless Donna Karan bustier top. She finished off her look with tousled waves, peep-toe heels and several bracelets.

"Getting ready for the Young Hollywood Awards! I’m really excited and a bit nervous to be hosting! Wish me luck!" the Twilight Saga actress tweeted pre-show.

Sophia Bush, 29, stepped out in a black and white cocktail dress and black point-toe pumps. Her clutch, a lips-shaped purse, proved to be one of the most stand-out accessories on the red carpet.

PHOTOS: What Hollywood wore on the red carpet last night

Up-and-comer Cody Horn, 24, who makes her major big-screen debut in Magic Mike, chose a red-hot Marios Schwab mini with a leather top, black Rupert Sanderson sandals and sported a swept-back hairdo.

Tell Us: Which young Hollywood actress do you think was best dressed?

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Who Was Best-Dressed at the Young Hollywood Awards?

Ashley Greene
Sophia Bush
Cody Horn
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Who Was Best-Dressed at the Young Hollywood Awards?