Sporting a skintight white lace jumpsuit with a plunging neckline, the reality star, 35, stood next to her beau Scott Disick who wore a flannel shirt and black jeans.
“Last night for a good cause. #run10feed10 @feedprojects @womenshealthmag,” she captioned the image Sunday.
The evening event was held in Bridgehampton, N.Y The couple has spent their summer in the Hamptons, filming Kourtney & Khloe Take the Hamptons.
The pregnant star – already mom to Mason, 4, and Penelope, 2 – went on to share some more photos of her maternity style on social media.View Slideshow »»