TREND: Green nail polish

WHO'S WEARING IT: Keep reading to find out!

HOW TO WEAR IT: Last year, people mocked Katie Holmes for her green mani. But look who's laughing now. After Chanel previewed its limited-edition fall nail polish on the runway, the jade color went on every fashionista's wish list. That lacquer is currently sold out, but you can paint your fingers and toes a similar hue for much less by shopping the steal 'n' splurge below!

Drew Barrymore, Rachel Bilson, Lauren Conrad.