From glamorous to grunge, some famous faces showed up for the BRIT Awards held at the O2 Arena on Wednesday in London, England in eye-catching ensemble.

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Rapper Iggy Azalea, 23, stunned in a floor-length red and sleeveless Elie Saab gown.

"Because two Elie Saab dresses are better than one," she wrote on Instagram along with a photo of herself in the dress.

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Rita Ora walked the carpet with her boyfriend/music producer Calvin Harris in a beautiful yellow Prada dress with a plunging neckline. "Yellow mellow Brit galore," she wrote on Instagram along with a photo of herself and her beau.

Supermodel Rosie Huntington-Whiteley showed off her toned legs in a mini Saint Laurent red dress.

Other stars went for a more daring look, including Lilly Allen, who sported a bright yellow ponytail and Jessie J in a nude-colored bodysuit with pastel lipstick.

Which celebrity look was your favorite at this year's BRIT Awards?