• BIGGEST BEAUTY CRAZE: NAIL ART photo | Katy Perry, Rihanna

Credit: Insets: Michael Kovac/Getty; Mike Coppola/Getty

Published: Tuesday November 27, 2012 18:00 PM EST

2012

BIGGEST BEAUTY CRAZE: NAIL ART

If you have a Pinterest or Instagram account, you don't need us to tell you that over-the-top tips were all the rage in 2012. Budding DIY nail artists should look to Katy Perry (who's worn everything from ying-yangs to 3D florals, even mini Obama faces, on her talons) for inspiration.