9 / 10
Vanessa Hudgens
Vanessa Hudgens looked incredibly mature as she made her way down the arrivals line in an Alberta Ferretti frock at a recent charity event in Monaco. Can the former "High School Musical" hottie keep it up, or will she land in our What Were They Thinking?! gallery in the coming weeks? Discuss! (5/25/2012)

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May 31, 2012

This week's best-dressed celebs include Kristen Stewart, Jennifer Lopez, and Jessica Alba. -- By Matt Whitfield, Yahoo! Staff