Nickelodeon Kids’ Choice Awards 2013: What the Stars Wore!

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Ke$ha

Prior to taking the stage to perform at the Kids' Choice Awards, Kesha walked the purple carpet in a baby-blue tux, complete with a cummerbund, a ruffled shirt, a top hat, and a walking stick.

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Victoria Justice

The Victorious actress wowed in a printed Pia Pauro dress, accessorized with Aldo shoes, a Nancy Gonzalez clutch, earrings by Sarah Chloe, bracelets from CBL by CB Luxe, and a Kami Lerner ring.

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Kiernan Shipka

Jon Hamm's Mad Men daughter wore a sweet floral frock and black booties.

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Katy Perry

The "Wide Awake" singer showed ex-boyfriend John Mayer what he was missing in a midriff-baring Herve Leger ensemble, Christian Louboutin heels, and Anita Ko spike diamond bracelet.

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Selena Gomez

The Favorite Television Actress winner showed off her long legs in a blue Oscar de la Renta top and white shorts, paired with Gucci heels and a Diane Von Furstenberg bag.

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Gabby Douglas

The Olympian and Favorite Female Athlete nominee wore a color-blocked shift belted at the waist with a leather sash.

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Willow Smith

Will Smith's daughter walked the purple carpet in a white minidress under a distressed denim jacket.

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Bella Thorne

The Shake It Up star paired her Bec & Bridge metallic peplum mini with hot pink pumps.

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Fergie

Host Josh Duhamel's pregnant wife showed just a hint of her baby bump in a colorful, printed frock.

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Jessica Alba

The actress and mom-of-two turned heads in a multi-colored cap sleeve Lella jacquard dress from Mary Katrantzou's Spring 2013 collection.

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Kristen Stewart

The Twilight star wore blue and black checkered shorts with a matching top by Osman Yousefzada.

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Kristen Wiig

Before taking the stage with Steve Carell, the Bridesmaids star walked the purple carpet in leather pants, a T-shirt, and a black blazer.

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Miranda Cosgrove

The actress wore a printed asymmetrical dress.

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Amandla Stenberg

The Hunger Games actress rocked a flirty fit-and-flare teal frock.

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Rosie and Sophia Grace

The dynamic duo wore tutus and tiaras to walk the purple carpet at the Kids' Choice Awards.

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Karina Smirnoff

The Dancing With the Stars pro sparkled in a gold-and-white sequined frock.

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Ashley Tisdale

The High School Musical alum donned a sea foam and mint green embroidered cocktail dress with an illusion neckline from the Rafael Cennamo couture collection and a white gold and diamond ring by Carla Amorim.

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Kylie Jenner

The Keeping Up With the Kardashians star kept it simple in a black hooded dress and open-toed white booties.

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Lucy Hale

The Pretty Little Liars actress was white-hot in a belted cream-colored shirtdress, black Mary-Jane heels and carrying a Nancy Gonzalez bag.