They talk about joining the mile-high club in front of their children -- and the rest of America.
Thank you, Kris Jenner, for that lovely over-share. We've never felt so sorry for Kendall and Kylie Jenner: They were forced to listen to their mother divulge the details of her first encounter with plane sex -- with their dad! -- from the audience of Kris's eponymous talk show. "Kendall and Kylie, earmuffs!" the shameless reality-TV star yelled. But the damage had already been done. Thanks, Mom.