Life Brandon Jenner asks his pregnant girlfriend to marry him By weekster Posted on January 28, 2020 1 min read Share on Facebook Share on Twitter Share on Google+ The Kardashians can prepare for a party. Brandon Jenner, the half brother of Kendall and Kylie and former step brother of Kim, Kourtney and Khloé Kardashian, is getting married. The 38-year-old musician has asked his girlfriend Cayley to marry him. It will be his second wedding for Brandon. The son of Caitlyn Jenner had been married to Leah Felder for six years, with whom he had been together for 14 years. View this post on Instagram It’s official ❤️💍💍❤️ A post shared by Brandon Jenner (@brandonjenner) on Jan 25, 2020 at 7:43am PST For Brandon and Cayley there will soon be more to celebrate: Cayley is expecting twins.