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Kelly Osbourne

Her tartan frock, eyelash-adorned clutch, and pink peep-toes are all beyond fab, but Kelly Osbourne's lavender-hued locks (and this particular hairstyle) have got to go. We miss her platinum blond days, don't you? (4/30/2012)

What Were They Thinking?!

This week's worst-dressed celebs include Adrienne Bailon, Rihanna, and January Jones. -- By Matt Whitfield, Yahoo! Staff