Best Beauty Trend: Hair's Two Extremes We love the two opposing hair camps that emerged on the red carpet in 2010 -- supersize and super short. The key to making both last: a good styling product. Blast a high 'do with a strong-hold hairspray, and piece out a pixie cut with pomade.
Best Beauty Trend: Edgy NailsNothing against pale pink polish, but when you wear a daring shade like greige (a gray-beige hybrid), or sport wild-pattern nail appliques, "you get so much attention," says Kimmie Kyees, a celeb manicurist. No worries if you're indecisive—mixing prints and polish is totally chic.
Worst Beauty Trend: Man TopiariesWe can't figure out who gave these guys their bizarre cuts -- a hairstylist or a landscaper.