The world's 100 most influential stars were celebrated on Tuesday at the 2013 Time 100 Gala in New York City. It's pretty obvious how stars like Lena Dunham and Justin Timberlake have left an impact, but is their style just as influential as their work this year?

To get a good idea, we've rounded up photos of the biggest celebs at Tuesday's event. Check 'em out and let us know which influential star you think looks best!

 

Christina Aguilera

Xtina shows off her slim new figure on the red carpet in a black, hip hugging Victoria Beckham dress that she pairs with various stand-out Lorriane Schwartz jewels. The singer, who performed at the event, also keeps up a more natural fresh face and wears her hair in side swept curls.

Jessica Biel

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Justin makes a rare red carpet appearance with his wife, who was on hand to support her man at the event. The actress looks gorgeous in a black Tom Ford dress with high neckline and peep-toe shoes from the same deisgner. Meanwhile, Justin doesn't look so bad himself in that tux...

Lena Dunham

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Girls star and creator Lena keeps it simple in a belted, knee-length Saint Laurent dress with strappy black pumps shoes from the same deisgner. She paired it with Premier Gem for Forevermark Diamond Stud Earrings with Round Forevermark Diamonds set in Platinum  The actress's pixie haircut and slew of tattoos add some edge to her chic look.

Claire Danes

Claire shows off her rockin' post-baby bod in a printed Lanvin dress in shades of brown and black, which she pairs with simple black heels and straight blonde 'do. The Homeland actress wrote Lena's profile in the magazine for the "100 Most Influential People" issue.

Olivia Munn

Olivia is definitely a standout on the red carpet in a lacy yellow Michael Kors dress with long train. She completes the bright look with Jimmy Choos and minimal jewelery except for a single Lorraine Schwartz bracelet.

Amy Poehler

Amy keeps it simple and classy in a lacy black longsleeved Tadashi Shoji dress paired with peep-toe black pumps.

Which celeb was best dressed at the event?

Photos Courtesy of: Getty Images