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Dakota Fanning

Oliver S Wolf / Splash News

Is rainbow-colored hair so last year? Not according to Hollywood's stylish stars, who are still rocking the trend in 2012.

First, suddenly single Katy Perry was spotted back in her fave electric-blue hue, and just yesterday Breaking Dawn star Dakota Fanning unveiled her brand-new, hot-pink highlights!

The 17-year-old actress was seen heading to a ballet class in Studio City, Calif., with her newly dyed pink and blonde 'do tied up in a ponytail.

Looks like the NYU freshman is finding new ways to express herself now that she's in college!

We think Dakota's pink hair looks pretty cute—how about you?