Kourtney Kardashian and Luka Sabbat are “becoming more exclusive” a source has told E!. The 39-year-old reality star and the 20-year-old actor were recently spotted at dinner with Kardashian sister Kendall Jenner and friends. The new couple was spotted together earlier in the day shopping in West Hollywood. Another source revealed to E! that the mom of three is “having fun with [Sabbat]” and “every time they say goodbye she can’t wait to see him again”.