Like TOWIE's Lydia Rose Bright, the Keeping up with The Kardashians star looked absolutely stunning in the cream coloured bridal-esque gown which boasted a mesmerising trailing train, gorgeous silk straps and a beautiful sweetheart neckline that drew heaps of attention to her standout figure.
The 18-year-old reality beauty stole the show from model-turned-actress Emily Ratajkowski, Jada Pinkett Smith and even a gold clad Rihanna herself as she tore up the red carpet in the flowing number which gleamed under the camera flashes.
To avoid an awkward Madonna-at-the-BRITS-inspired wardrobe malfunction, KJ scooped up her floor-sweeping train and flung it over her arm while she struck a series of fabulous poses.
With her glossy black locks styled into Hollywood waves, Kylez rocked matte pink liquid lipstick in Candy K, from her brand spanking new Lip Kit, which caused an internet storm after it completely sold out in under one minute last week.
The starlet joined beau Tyga at the star studded event and after sending the paps into a total frenzy the high-profile pair passed the limelight on to the rest of the celebrity guests and sauntered off to their seats.
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