Kourtney Kardashian Flashes Adorable Smile, Shows Baby Bump in Lace Jumpsuit at Event With Scott Disick—See the Pics!

The two are expecting their third child

Pregnant Kourtney Kardashian was the picture of angelic beauty at a recent event in the Hamptons.

Accompanied by longtime boyfriend Scott Disick, the 35-year-old Keeping With the Kardashians star flashed her stunning smile and turned heads in a low-cut, short sleeve, cream lace, boot cut Made for Pearl's V-Neck Baron romper, or jumpsuit, to Women's Health magazine's "Party Under The Stars" for RUN10 FEED10 celebration at the Bridgehampton Tennis and Surf Club in on Friday in Bridgehampton, New York on Saturday.

For the past few months, the two have been renting a gorgeous $13.9 waterfront home (see pics!) in nearby Southampton as they film Kourtney & Khloé Take the Hamptons with Kourt's sister Khloé Kardashian.

Kourtney and Disick, 31, are expecting their third child. They are parents to son Mason, 5, and daughter Penelope, 2.

Tune-in to the brand new Keeping Up With the Kardashians this Sunday at 9/8c on E!