Kim Kardashian showcases her curves in sheer vintage Versace mini dress for Kourtney's 40th birthday bash (Photos)

Reality star, Kim Kardashian put on a sexy display as she stepped out for sister Kourtney Kardashian's 40th birthday bash in Los Angeles on Thursday night. 

The 38-year-old mother of three looked incredible in a sheer vintage Versace mini dress which showcased her curves and thighs. She also rocked black tiny lace-up heels to complete her look.

See more photos below.