"SUBSCRIBE: http://full.sc/UBDdWt Selena Gomez joined Ryan Seacrest in launching the second closed-circuit media center called ""The Voice"" in the Children's Hospital of Philadelphia (CHOP) Friday morning, and gave an impromptu performance alongside CHOP heart patient, Julia. On Air with Ryan Seacrest on YouTube The official home for video from On Air with Ryan Seacrest and RyanSeacrest.com. Subscribe now for exclusive celebrity interviews, music performances, and entertainment news from American Idol and American Top 40 host Ryan Seacrest. Connect with On Air with Ryan Seacrest: Follow us on Twitter: http://full.sc/UBCFQd Like us on Facebook: http://full.sc/UBDI2H Follow us on Instagram: http://full.sc/UBCMeH Follow us on Tumblr: http://full.sc/UBCN27 Connect with Ryan: Follow Ryan on Twitter: http://full.sc/RGO2cv Subscribe to Ryan on Facebook: http://full.sc/RGNW4M Follow Ryan on Instagram: http://full.sc/RGO9Vy Follow Ryan on Pinterest: http://full.sc/UBD05o Visit Ryan's Website: http://full.sc/RGObNj Check out the Ryan Seacrest Foundation: http://full.sc/RGOt6T Selena Gomez Sings with Hospital Patient Julia | Interview | On Air With Ryan Seacrest http://www.youtube.com/user/ryanseacrest "