Kourtney Kardashian Drops 10 Lbs. Post Split From Scott Disick – is it a Spilt Effect? It looks as of she is on a revenge spree and working on her body. Kourtney Kardashian, 36, is looking at her best and she revealed her sexy bikini body while on a family vacation at St. Barts. She has lost 10 pounds since her break up with Scott and she is looking absolutely stunning with the weight loss and is very happy about it.So all the best for your new innings and shape Kourtney!