Kourtney Kardashian posed backstage Keeping Up With the Kardashians: “Katch-Up” wearing vintage Dolce & Gabbana 2000 Lace & Sheer Top (Sold Out) and Gucci by Tom Ford 1999 Purple Embroidered Lace Flared Evening Pants ($9,157.00) and Tom Ford Disco Platform Sandals (Sold Out).