Scott Disick, Kourtney Kardashian

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Kourtney Kardashian has set a goal and is putting her plan in motion.

In fact, it was while she appeared to be in motion—or about to be in motion—that she shared a pic of her sneaker-clad feet with the caption, "14 stubborn pounds to go. Let's go!"

She's wearing cropped leggings and you can see the wires of her earbuds dangling. Kourtney's ready to run!

14 stubborn pounds to go. Let's go! ????

A photo posted by Kourtney Kardashian (@kourtneykardash) on

The 35-year-old E! star welcomed her third child, Reign Aston Disick, on Dec. 14, and in recent weeks Kourtney hasn't been shy about showing off her post-baby bod. 

Not to mention, she went selfie-mad (for her, anyway) earlier this week, posting two whole pics of herself on Instagram in sardonic celebration of her hotness.

"Gotta kiss myself, I'm so pretty," Kourtney captioned one, puckering up for the camera. And the other: "I'm too hot. Call the police and the fireman."

Oh, Kourtney, you slay us.

I'm too hot. Call the police and the fireman. ??

A photo posted by Kourtney Kardashian (@kourtneykardash) on

But we know how the Kardashian sisters are about their fitness once they put their minds to it.

Khloé Kardashian regularly shares pics and videos from her workouts, be it boxing, yoga or some sort of cross-training that makes us want to curl up in a ball while watching, and Kim Kardashian has always been frank about her weight-loss-and-gain struggles since before and after having daughter North.

In October 2013, Kim revealed that she had shed 50 pounds since giving birth that June, and just last August she claimed she wanted to drop 20 pounds.

Like Kourtney, Kim's manner of dress doesn't indicate that she's anything more than completely confident and content with her body—but apparently she can't help but have weight on the brain. About a month ago in a #TBT pic she noted that she was then "15 to 20 pounds thinner."

Try not to stress, ladies—the cameras still love you.

Tune into new episodes of Keeping Up With the Kardashians this spring, only on E!

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