Coachella's Hippiest & Dippiest Stars

From Vanessa Hudgens and Hilary Duff to "Robsten" and Joshua & Diane, celebs show off peace, love and good vibrations at the California music festival

HILARY DUFF

What's groovier than free hugs? Duff's sunglasses, for one, which kept her undercover as the music extravaganza kicked off Friday.