Kim Kardashian steps out in ‘Butt Cleavage’ revealing dress for Madonna Academy Awards Party. (photos)

Reality star, Kim Kardashian West flashed her 'butt cleavage' in a black turtleneck dress while posing at Madonna's Academy Awards party on Sunday. It was one of the most star-studded parties of the night, but Kim Kardashian still got all eyes on her.

Kim certainly had a blast inside the party, where she took photos with the hostess, herself and Cardi B. Photos of Kim having fun with the hostess, Madonna, and rapper Cardi B, were also shared online.  See Photos below: