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Miranda Lambert

NASHVILLE, TN - NOVEMBER 01: Country music artist Miranda Lambert attends the 46th annual CMA Awards at the Bridgestone Arena on November 1, 2012 in Nashville, Tennessee. (Photo by Jason Kempin/Getty Images)

What Were They Thinking?!

This week's worst-dressed crew includes Sharon Stone, Kourtney Kardashian, and Christina Aguilera. -- By Matt Whitfield, Yahoo! Staff