Hailey Baldwin Failed br a Lie Detector Test br About Justin Bieber Baldwin appeared on 'Carpool Karaoke: The Series,' where she was hooked up to a lie detector and questioned by Kendall Jenner. Most of Jenner's questions were br easy for Baldwin to answer honestly, br until Justin Bieber was brought up. Kendall Jenner, on br 'Carpool Karaoke: The Series' Baldwin quickly responded "of course!," but the lie detector indicated that she was lying. The verdict is no, Justin Bieber br does not think Kendall Jenner is cool.