The cast of Pretty Little Liars ask each other questions about who is the biggest flirt on set, what's their least favorite part of the industry, and which of their cast mates they'd rather kiss--all while hooked up to a polygraph. Pretty Little Liars airs Tuesday's at 8:00pm on Freeform Still haven’t subscribed to Vanity Fair on YouTube? ►► http://vnty.fr/1yNomg4 CONNECT WITH VANITY FAIR Web: http://vanityfair.com Twitter: https://twitter.com/vanityfair Facebook: https://www.facebook.com/vanityfairmagazine Pinterest: http://pinterest.com/vanityfair Google+: https://plus.google.com/+vanityfair Instagram: http://instagram.com/vanityfair Tumblr: http://vanityfair.tumblr.com Want even more? Subscribe to The Scene: http://bit.ly/subthescene ABOUT VANITY FAIR Arts and entertainment, business and media, politics, and world affairs—Vanity Fair’s features and exclusive videos capture the people, places, and ideas that define modern culture. The Cast of Pretty Little Liars Takes a Lie Detector Test