The Pretty Little Liars Writers Refuse to Tell Lucy Hale Who "A" Is - Late Night with Seth Meyers

She may be the star of the show, but they know she can't keep a secret. » Subscribe to Late Night: http://bit.ly/LateNightSeth » Get more Late Night with Seth Meyers: http://www.nbc.com/late-night-with-se... » Watch Late Night with Seth Meyers Weeknights 12:35/11:35c on NBC. Follow Late Night:   / latenightseth   Late Night Tumblr:   / latenightseth   Get more NBC: NBC YouTube: http://full.sc/MtLxIM Like NBC:   / nbc   Follow NBC:   / nbc   NBC Tumblr:   / nbctv   Late Night with Seth Meyers on YouTube features A-list celebrity guests, memorable comedy and the best in musical talent. The Pretty Little Liars Writers Refuse to Tell Lucy Hale Who "A" Is - Late Night with Seth Meyers    / latenightseth