Kourtney Kardashian sure knows how to make an entrance. On Saturday night, the reality TV star made her way to Jewel nightclub in Las Vegas looking as hot as ever. The 37-year-old, who's constantly sharing videos of her workouts on Snapchat, showed off her hard work in a leather crop top complete with matching shorts as she posed for photos with friend Malika Haqq on the red carpet. Prior to her Vegas trip, Kourtney enjoyed a sweet family day at Disneyland with sister Kim Kardashian and their children. Keep reading to see Kourtney in all her sexy glory.