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Kourtney Kardashian is a glowing mama-to-be!

The "Keeping Up With the Kardashians" star put her pregnancy curves on display in the Hamptons on Wednesday, stepping out for lunch at The Driver's Seat restaurant in a chic fitted striped dress. The expecting celeb paired her cute casual look with nude pumps and a yellow Birkin bag.

We have to admit -- the oldest Kardashian sister's maternity style is on point!

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But, she did have one recent style misstep at the Women's Health's Party Under the Stars event over the weekend.

The mother-of-two sported a tight-fitting, plunging white Made for Pearl lace romper that brought attention to her growing baby bump and cleavage.

With baby daddy Scott Disick by her side, Kourt looked happy and healthy at the event, where she proudly showed off her new physique.

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The two are currently expecting their third child together. The couple already has son Mason and daughter Penelope.

We prefer Kourtney's striped ensemble -- which look do you like better? Sound off below!

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