BEST DRESSED: Selena Gomez dazzels in a gold mini.

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BEST DRESSED: Carly Rae Jepsen looks sleek in black with her shirtless escorts.

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BEST DRESSED: Katy Perry shines in black, gold and purple.

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BEST DRESSED: Chord Overstreet could look good in a paper bag, but the casual V-neck and sports jacket works too.

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BEST DRESSED: Lucy Hale perfectly wears a dainty plum dress.

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BEST DRESSED: Nelly Furtado is white hot in her native Canada.

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WORST DRESSED: Phoebe Dykstra's rhinestoned dress is a little too much and a lot too short.

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WORST DRESSED: Alyssa Reid left little to the imagination in her bright blue number.

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WORST DRESSED: Perez Hilton should leave his gigantic afro at home from now on.

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WORST DRESSED: Anjulie chose a nice color but the layers look messy and homemade.

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WORST DRESSED: Helen Campbell's oversized black dress looked like a bad trip to the thrift store.

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WORST DRESSED: Diamond Rings' outfit would be better suited for a sci-fi film.

(Photo by Jag Gundu/Getty Images)