Celebrity·Posted on Oct 16, 2018I'm Dead At Hailey Baldwin Accidentally Revealing That Justin Bieber Doesn't Think Kendall Jenner Is CoolCelebs doing lie detectors are hilarious.by Ryan SchocketBuzzFeed StaffFacebookPinterestTwitterMailLink So Hailey Baldwin and Kendall Jenner were on a special edition of Carpool Karaoke, where they took lie detector tests. View this video on YouTube youtube.com It's exactly what it sounds like. Hailey and Kendall are hooked up to a lie detector and asked questions. The lie detector expert guy then reveals if they're telling the truth: youtube.com It started off pretty low-key, with Kendall asking questions like this one: youtube.com Then, Kendall kicked it up a notch and asked if Justin Bieber — Hailey's fiancé — thinks she's cool: youtube.com Hailey said yes. youtube.com Honestly, can we please just look at her looking to the left as she answered. That's definitely one of those signs you're lying!! Criminal Minds taught me that. Tap to play or pause GIF Tap to play or pause GIF youtube.com And lo and behold: youtube.com IT WAS A LIE. Justin Bieber does not think Kendall Jenner is "cool." E! Luckily, they both handled the situation well and laughed it off: youtube.com I love that we have this information and I now need a master list of all the celebrities Justin Bieber deems "cool." Def Jam Recordings That's all for now. Bye!