The 31-year-old flaunted her fabulous figure (and famous derriere) in what appeared to be a floor-length dress over a cream bustier, as she left her hotel in New York on Monday (14 September).
Khloe chose the unusual ensemble for dinner with sister Kourtney, who wowed in leather trousers and a black boob tube, and their make-up artist Joyce Bonelli.
All five Kardashian-Jenner sisters are in New York this week and made a rare public appearance together yesterday at the Apple Store Soho to launch their new apps.
Each sister has an individual app available now (apart from Kourtney's, which launches soon). Fans pay to access the app, where they will find videos, features and pictures of their favourite sister.
Every app will highlight topics that sister is passionate about, so for Khloe it will include her love of fitness and working out at the gym.
She posted a preview of the app on Instagram alongside the caption: "I can't believe it!!!!! My official app has launched. Download it now!!" She also have a live streaming feature to connect further with her fans.