Kourtney Kardashian is one hot mama.
The 34-year-old reality star bared her cleavage in a low-cut top while hosting the Labor Day weekend bash at Hyde Nightclub at the Bellagio Hotel and Casino in Las Vegas on Aug. 31. Kardashian wowed in full makeup as she walked the red carpet alongside her sister Khloe's best friend Malika Haqq.

And while Kourtney's away, grandma Kris Jenner will play.
The talk show host has been babysitting her grandkids Mason and Penelope as her daughter takes a much-needed break. The trio was spotted spending time together in Malibu, Calif., over the weekend.
As for Scott Disick, his whereabouts are unknown.

Check out Kourtney's sexy look below:

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