Kourtney Kardashian Flaunts Toned Abs After Vacation: 'No Breaks'

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Kourtney Kardashian is one hot, hard working mama!

Fresh from her St. Barts vacation with the whole Kardashian clan, Kourtney is already back to her gym routine. The 36-year-old reality star showed off her flawless abs in a cute black workout outfit on Instagram Saturday.

WATCH: Kris Jenner on Kourtney Kardashian's Split: 'She's Kind of My Hero Right Now'

"No breaks," she captioned the photo.

The social media share is one of many that Kourtney has posted recently. She's been flaunting her enviable bod ever since her July split from longtime boyfriend, Scott Disick.

During her tropical family vacation, she Instagrammed three different swimsuit photos flaunting her fit physique. Perhaps, she was letting Scott know what he’s missing out on?

MORE: Kourtney Kardashian Posts Cryptic Tweet About Split as Scott Disick Hits the Club

It hasn't been all gym and no play since returning to L.A., however. Saturday night, Kourtney joined sisters Kim Kardashian, Khole Kardashian and Kendall Jenner to watch her brother-in-law, Kanye West, perform at the FYF Festival.

During the concert, Kim took a glam selfie of the sister squad. She captioned the Instagram, "Damn they don't make 'em like this anymore," a nod to Kanye’s song "Stronger."

Kourtney certainly appears stronger than ever after her breakup! She even wore a very revealing bodysuit to little sister Kylie Jenner's 18th birthday party. Watch the video below to get a closeup of her skintight outfit.