Kris Jenner, Scott Disick and Kourtney Kardashian Las Vegas - Arabstoday Reality TV star Kourtney Kardashian stepped out with beau Scott Disick to celebrate his 30th birthday on Sunday in Las Vegas. The elder sister of the Kardashian clan and mother-of-two looked stunning in a peacock inspired outfit with a teal lace top and black and green feathered skirt. The 34-year-old wore her hair in a topknot and blue eyeliner to match her outfit. Kourtney was joined by mother Kris Jenner as well as younger brother Rob Kardashian.