Last Night's Look: Hit or Miss?

Vote on this week's styles including Ashlee Simpson, Mariah Carey and more stars! You decide – are they fashionistas or flops?

VANESSA HUDGENS

Celebrating the launch of Diesel's latest men's fragrance, Only the Brave, in Hollywood, the High School Musical 3 star musters her fashion courage and goes for a cropped look with rolled-leg Diesel jeans, midriff-baring tank, black booties and a metallic clutch.