Fifth Harmony performs an acoustic version of latest single "I'm In Love With A Monster." SUBSCRIBE: http://full.sc/UBDdWt On Air with Ryan Seacrest on YouTube The official home for video from On Air with Ryan Seacrest and RyanSeacrest.com. Subscribe for exclusive celebrity interviews and music performances from American Idol and American Top 40 host Ryan Seacrest. Connect with On Air with Ryan Seacrest: Twitter: http://full.sc/UBCFQd Facebook: http://full.sc/UBDI2H Instagram: http://full.sc/UBCMeH Tumblr: http://full.sc/UBCN27 Website: http://ryanseacrest.com Connect with Ryan: Twitter: http://full.sc/RGO2cv Snapchat: RyanSeacrest Facebook: http://full.sc/RGNW4M Instagram: http://full.sc/RGO9Vy Vine: http://vine.co/RyanSeacrest Check out the Ryan Seacrest Foundation: http://full.sc/RGOt6T Fifth Harmony "I'm In Love With a Monster" (Acoustic) | On Air with Ryan Seacrest http://www.youtube.com/user/ryanseacrest