Kourtney Kardashian in Las Vegas for LDW

After the recent loss of her father-in-law, it looks like Kourtney Kardashian is back on her healthy mode grind. The KOWTK reality-TV star posted a selfie of herself in the gym with a make-up free face. She captioned the image, “Day 1.” Looks like she’s on yet another work-out kick! Head over to the gallery and check out the au naturale flick from Kourt!