9 / 10

Amanda Bynes

Not hot: Amanda Bynes' light purple locks. Really not hot: the former tween queen being arrested for allegedly driving under the influence in Hollywood last weekend. (4/6/2012)

What Were They Thinking?!

This week's worst-dressed stars include Lana Del Rey, Justin Bieber, and Nicki Minaj. -- By Matt Whitfield, Yahoo! Staff