LOS ANGELES, June 19 (UPI) -- Kourtney Kardashian impressed fans with her post-baby body this week on Instagram.
The 36-year-old reality star showed off her trim figure in a tummy-baring selfie posted Thursday. The photo received over 718,000 likes, including from pop star Justin Bieber, who is friends with Kardashian's half-sister Kendall Jenner.