Kourtney Kardashian and Kylie Jenner hit the gym together on Saturday, but not without sharing some selfies, of course! The Keeping Up Wi...
Kourtney Kardashian 'Finally' Gets Kylie Jenner to Work Out With Her
The Keeping Up With the Kardashians stars took to Instagram to show off their toned tummies in cropped work out tops and high-waisted athletic pants.
Kardashian, 36, has apparently been trying to get her youngest sister to join her in the gym for months.
"I've been trying to get her to workout with me for six months...today was my lucky day," she captioned a full-length shot of the two posing in the mirror.
"First workout with @kourtneykardash this lady has been working hard!" Kylie, 18, captioned her pic, showing them lying on their workout mats.
Kardashian has been all about getting fit, as proven by her frequent social media posts as of late.
"I'm so proud of these guys," she captioned a pic of several pairs of running shoes lined up on a fur rug.