Kendall Jenner revealed she isn’t a stranger when it comes to using social media as a tool to keep up with an ex . The model and pal Hailey Baldwin appeared in an upcoming video for James Corden’s Carpool Karaoke series where they answered questions while wired up to a lie detector machine . #KendallJenner , #KendallJennerStalkingSkills , #HaileyBaldwin , Subscribe to watch more videos : https://goo . . . .