If there’s one thing celebrities love to do, it’s get married to other celebrities whom they hardly know. But as they also love to tell interviewers, “When you know, you know.” Except, of course, they usually don’t. On this week’s episode, we discuss the alarmingly swift engagements of fiances Ariana and Pete, Justin and Hailey, and the overlooked David and Katharine (who really ought to be receiving a larger share of our incredulity), followed by a look back at Hollywood’s wildest whirlwind engagements. Learn more about your ad choices. Visit podcastchoices.com/adchoices