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Snooki

NEW YORK, NY - NOVEMBER 13: Nicole "Snooki" Polizzi attends the Snooki by Nicole Polizzi fragrance and polish launch at EZ Studios on November 13, 2012 in New York City. (Photo by Eugene Gologursky/WireImage)

What Were They Thinking?!

This week's worst-dressed crew includes Britney Spears, Jennifer Lawrence, and Jennifer Aniston. -- By Matt Whitfield, Yahoo! Staff