Kim Kardashian has shared her sexiest Space Cowgirl look for sister Kendall Jenner's Halloween bash.

Kim Kardashian wowed in a metallic Halloween costume, and completed her look with armor-like chaps and hat.

Kim in custom metallic 'CowBot' costume fashioned by Thierry Mugler.

Kim referred to herself as a hybrid between a cowgirl and a robot.

The creative costume showed off her famous frame.

Kim looked incredible in the full silver metallic look.

She was seen in a bra with a star that showed off her midriff.

Kim with her friend at the Halloween bash.

Earlier she shared this pic posing in a pink bodysuit.