While neon nails and blue highlights expired in 2011, one of last year's biggest beauty trends is only growing more popular in Hollywood.

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Several stars have been hitting the red carpet with cool, braided hairstyles, including Brooklyn Decker, who looked like a Greek goddess with her plaited updo at the Unicef Ball Dec. 8.

PHOTOS: Biggest beauty trends of 2011

Mom-to-be Molly Sims accented her loose waves with a pretty halo-style braid at the Art of Elysium Heaven Gala Jan. 14.

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And Once Upon a Time's Jennifer Morrison upgraded her ponytail by French-braiding the front section of hair at the DisneyABC TCA Winter Press Tour Jan. 10.

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