Kourtney's outing came as her ex-partner Scott Disick was in charge of parenting duties for the evening heading to Sugar Factory in the city with the couple's three children.
Kourtney's outfit saw her rock a cut-out leotard with material keeping her modest on one side.
On Wednesday, Kardashian enjoyed another hot date with her new toyboy Luka Sabbat at Crossroads Kitchen in West Hollywood.
And 1-year-old True joined in on the summer fun, playing in the sand and posing with her mom in the ocean water on the beach.
The mom of one is currently on a girl's trip with ten of her closest girlfriends for sister Kourtney Kardashian's birthday.
As Kourtney proves, it effortlessly teams with high-waisted trousers, while working equally well with a pencil skirt or even jeans.