Credit: Frederick M. Brown/Getty; JB Lacroix/; Gregg DeGuire/FilmMagic

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

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.

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

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.