Sofia Richie has unceremoniously dumped Scott Disick after the Keeping Up With the Kardashians star cheated on her and was subsequently spotted getting cozy with another woman. A source tells Us Weekly that the couple were still technically together when the reality TV star was spotted with another girl at Kanye West?s listening party for his new album in Wyoming earlier this week. Disick is 35 and has fathered three children with Kourtney Kardashian.