The 21-year-old posted an Insta Stories clip of herself all glammed up in a glittering gown with her 23-year-old sister Kendall Jenner.
She had earlier posted a clip of herself cheering on 20-year-old Sofia Richie, who was posing up a storm in a dressing room.
Saturday night: Kylie Jenner posted an Insta Stories clip of herself all glammed up in a glittering gown with her 23-year-old sister Kendall Jenner
Sofia is dating 36-year-old Scott Disick, who has three children with Kylie and Kendall's 39-year-old half-sister Kourtney Kardashian.
Flashing her chiseled midriff in a glittering silver bra and navy leggings, Sofia danced around for Kylie's camera.
The daughter of Lionel Richie wore elegant makeup and gathered her blonde hair into a do that was reminiscent of Brigitte Bardot.
Mover and shaker: Flashing her chiseled midriff in a glittering silver bra and navy leggings, Sofia danced around for Kylie's camera
By the time she was featuring in a video with Kendall, Kylie had slipped herself into a sparkling pink mini-dress with full sleeves.
The lip kit mogul popped on a blonde bob wig with bangs and held her phone in front of her face for mirror selfie purposes.
The ladies were all glammed up to celebrate Tiffany Sorya's birthday.
Meanwhile, Kendall got in touch with her animal instinct by modeling a silver and black leopard print dress with a dangerously high thigh-slit.
Details: Kylie made sure to capture her and her sisters' shoes, which in her case were covered in silver glitter
