The past 12 months have been possibly the most momentous time ever for nails--market research firm NPD Group reports that nail polish sales jumped an insane 59 percent this year. Here are our 12 favorite nail ideas of 2011--which one is your favorite?

The return of glitter topcoats, as used for this twinkling pedicure on reader Ashley (it's just basic black polish with a layer of silver glitter on top)

Seafoam green nail polish as a summertime nail staple

Sparkling plum nail polish as an alternative to gloomier wintertime shades

Those fun and easy Sally Hansen nail decals, especially in the boy-magnet (seriously!) fishnet pattern

Chic twists on the French manicure, like this nude/black half moon manicure from Behnaz Sarafpour's Fall 2011 show

Jennifer Graylock-Graylock.com

Extreme DIY nail art, like reader Maya's Halloween manicure

Holographic "Jem manicures" (as Beth named them), like this one on Selena Gomez

2011 Jo Hale

DIY patterns drawn with nail-art pens, like reader Lindsey's Aztec-inspired art

Long-lasting gel manicures, especially the ruby-slippers gel manicure modeled by Beth

Classic, refreshing milky manicures, like these from the spring Monique Lhuillier show

NEW YORK, NY - SEPTEMBER 10: A general view backstage of Kerastase during Monique Lhuillier Spring 2012 at The Theater at Lincoln Center on September 10, 2011 in New York City. (Photo by Leigh Vogel/Getty Images for Kerastase) Getty Images for Kerastase

Ombre nails, as championed by Lauren Conrad

Getty Images

Which of these nail ideas do you find the prettiest, most creative or most intriguing? What was YOUR fave nail trend of 2011?

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