Kourtney Kardashian Gives Post-Baby Weight Update, On "Workout Kick"

Kourtney Kardashian has dropped even more weight since giving birth to son Reign in December 2014 Credit: Aaron Davidson/FilmMagic

Running after three kids must help! Kourtney Kardashian shared yet another post-baby weight update with her Instagram followers on Monday, April 27.

"It's Monday!" she captioned a snapshot of her scale, which read 116 pounds. She added to the haters: "Ps: I'm 5 feet tall, so everyone relax I'm on a workout kick, trying to bring some Monday motivation."

???????? it's Monday! Ps: I'm 5 feet tall, so everyone relax I'm on a workout kick, trying to bring some Monday motivation.

A photo posted by Kourtney Kardashian (@kourtneykardash) on Apr 27, 2015 at 1:14pm PDT

Just two weeks earlier, Scott Disick's love revealed that she was down to 120 pounds. "First day that I have seen this number in a while," she wrote.

The reality star isn't the only Kardashian kicking her butt into gear. On Sunday, she posted a photo with sister Khloe Kardashian all dolled up at home.

My workout patna! ???????????????? Sunday workouts mean we going hard.

A photo posted by Kourtney Kardashian (@kourtneykardash) on Apr 26, 2015 at 2:13pm PDT

"My workout patna!" she wrote, looking fierce and determined. "Sunday workouts mean we going hard."