Kourtney Kardashian is paying no mind to whatever Scott Disick is doing!
The 36-year-old reality star was all smiles a new photo to Instagram on Monday, with the caption, "Monday morning hike."
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In another post, Kourtney wrote, "Currently: corn pudding snack, my computer, sick boy in my bed watching movies and some yeezus."
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Meanwhile, Scott has been seen hanging out with 18-year-old model Lindsay Vrckovnik in both New York City and Miami, Florida.
Scott and Lindsay were seen having a late night out in New York City on Wednesday, three months after he and Kourtney Kardashian split over the Fourth of July weekend. Scott and Lindsay began the night at a bar in the East Village around 10 p.m. and ended with the two of them going back to Scott's hotel after 6 a.m.
"Kourtney surprisingly isn't fazed by this at all," a source close to Kourtney tells ET. "She's moving on. She knows it's just a fling."
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For now, Kourtney is keeping the focus on her health and three children, Mason, 5, Penelope, 4, and Reign, 9 months.
"She's trying hard to ignore it and just focus on the kids," the source adds. "She knows they'll never get back together."
PICS: Kourtney Kardashian Flaunts Her Amazing Bikini Body
Keep hiking, Kourtney! You are crushing it in all areas right now.
Watch the video below.