Caitlyn Jenner opens up on her decision to transition at the age of 65 Entertainment Mon, Feb 08, 2021 Reality star Caitlyn Jenner shared the truth with fans about her decision to transition at the age of 65. The legendary star opened up on her decision as she appeared with her youngest child Kylie Jenner in a YouTube video. The 'Keeping Up With The Kardashians' legend also revealed why her two daughters Kendall and Kylie Jenner still call her "dad" after her gender transition in 2015. "Did you ever think that this day would come?" Kylie asked her dad. Caitlyn, 71, responded as saying: "I didn't think I could do it and I did it and you guys have been my best friends. My kids have been absolutely wonderful in all of this."