The 19-year-old star put on a seriously raunchy display as she rocked up to her sibling’s milestone bash in a sheer top that exposed her bra – as well as her seriously ample bust. The reality star was bound to set tongues wagging in the fishnet design that allowed onlookers to peep at her provocative lace bra.

The blonde teamed the design with black leather trousers that also revealed some skin thanks to lace-up detailing that ran from the tops of her thighs to her ankles. She finished the look with some major bling and elongated her slim pins with a pair of barely-there stilettos.

Kylie’s display came just a short while after the Keeping Up with the Kardashians star treated her fans to a shot of her pert posterior on Snapchat. The cosmetics entrepreneur resembled many of her older sisters as she flashed her curvaceous rear in red underwear.

The boxer-style undergarments hugged Kylie’s sensational curves to perfection and were no doubt the result of the youngster’s collaboration with sports brand Puma. The young fashionista also opted to expose her toned torso as she teamed the undies with a black sweatshirt that conceded just below the bust.

Amplifying the raunchiness, Kylie posted a second shot that saw her stand in sultry thigh-high boots. “Fittings,” she captioned the image, which saw the Keeping Up with the Kardashians star stand against rails of clothes and rows of shoes.