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Kate Mara

WASHINGTON, DC - JANUARY 29: Kate Mara poses on the red carpet during the Netflix's "House Of Cards" Washington DC Screening at NEWSEUM on January 29, 2013 in Washington, DC. (Photo by Kris Connor/Getty Images)

What Were They Thinking?!

This week's worst-dressed crew includes Lindsay Lohan, Rose Byrne, and Christina Applegate. -- By Matt Whitfield