6 / 11

Kim Kardashian

October 31, 2012: The Kardashian clan, and friends are seen arriving to Kim's Halloween birthday bash today in Miami, Florida. The crew were dressed up as Batman characters. Pictured here: Kim Kardashian. Mandatory Credit: INFphoto.com Ref: infusmi-11/13|sp|

What Were They Thinking?!

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