VIDEO : Scott Disick Hangs Out With Kylie Jenner and Tyga at West Hollywood Nightclub--See the Photo

Scott Disick spent much of Friday night with ex-girlfriend Kourtney Kardashian 's sister Kylie Jenner and the teenager's beau Tyga . Kylie, 18, sported a short blue and black wig, sunglasses, a black Moschino crop top, a mid-length white double-breasted jacket and black suege thigh-high boots. Kylie posted a selfie video showing her and a friend on Instagram hours earlier. PHOTOS: Kourtney Kardashian bonds with her & Scott Disick's baby son Reign Disick?see the adorable pics!