Riley Biederer brings the house down with her performance of "XO" in the knockout rounds. » Get The Voice Official App: http://bit.ly/TheVoiceOfficialApp » Subscribe for More: http://bit.ly/TheVoiceSub » Get Riley's Performance on iTunes: http://apple.co/1NNrAJd » Watch The Voice Monday, Tuesday & Wednesday 8/7c on NBC! » Watch Full Episodes: http://bit.ly/TheVoiceFullEpisodes THE VOICE ON SOCIAL: Like The Voice: http://Facebook.com/NBCTheVoice Follow The Voice: https://Twitter.com/NBCTheVoice The Voice Tumblr: http://nbcTheVoice.Tumblr.com/ Google+: https://plus.google.com/+TheVoice/ The Voice Pinterest: http://Pinterest.com/nbcTheVoice/ As part of NBC's Fall shows in 2015, NBC’s The Voice follows the strongest vocalists from across the country and invites them to compete in this season's blockbuster vocal competition. Find The Voice trailers, full episode highlights, previews, promos, clips, and digital exclusives here. NBC ON SOCIAL: NBC YouTube: http://www.youtube.com/nbc Like NBC: http://Facebook.com/NBC Follow NBC: http://Twitter.com/NBC NBC Tumblr: http://nbctv.tumblr.com/ NBC Google+: https://plus.google.com/+NBC/posts ABOUT THE VOICE The Voice 2015 USA YouTube channel features exclusive content with The Voice coaches, highlights from The Voice auditions, interviews with The Voice winners, as well as The Voice recaps and results. Learn more about The Voice contestants, The Voice tour, the eliminations, and follow your favorite performers all the way to the finale. The Voice 2015 Knockout - Riley Biederer: "XO" https://youtu.be/LQ2LvK-CkUg The Voice http://www.youtube.com/user/nbcthevoice