ROME, ITALY - OCTOBER 28: Actress Maggie Gyllenhall attends the 'Hysteria' photocall during the 6th International Rome Film Festival on October 28, 2011 in Rome, Italy. (Photo by Gareth Cattermole/Getty Images)
Kourtney Kardashian is showing off her post-baby body. The 36-year-old mom-of-three just revealed her weight on Instagram, and now she's proudly showing the world her body. See how much Kardashian weighs in the post below!