Baby weight ain't got nothing on this celeb!
On Monday, this star posted the (above) pic on Instagram to not only reveal her actual weight, but to motivate her and others to continue kicking ass in the gym!
While the number may appear to be alarmingly small, this A-lister wrote the following caption to ease her millions of followers!
"It's Monday! Ps: I'm 5 feet tall, so everyone relax I'm on a workout kick, trying to bring some Monday motivation."
So who is this tabloid favorite that is getting her fitness on?
It's none other than…
After giving birth to son Reign in December, the 36-year-old has been furiously working out to burn off those last few stubborn pounds.
[ Related: Scott Disick Doesn't Enjoy Having Sex With A Pregnant Kourtney! ]
The Keeping Up With The Kardashians star has definitely been making progress, as last month, she posted that she weighed 120 lbs.!
Four pounds in a month?! What a healthy yet ambitious number!
Keep up the good work, Kourtney! You'll reach your goal in no time!
[Image via Kourtney Kardashian/Instagram/WENN.]
Tags: baby, baby blabber, baby weight, birth, body, celeb, fitness, guess the celebrity, gym, health, healthy, instagram, motivate, pounds, pregnant, reality tv, weight, work, working out, workout