Demi Lovato live performance Confident at American Music Awards 2015 HD.br Thank you to T Mobile for sponsoring this episode. Learn More from T-Mobile Selena Gomezs AMAs Performance▻▻ More Celebrity .br Subscribe for more celebrity news! ▻▻ Ariana Grandes Tearful Acceptance Speech at The 2015 American Music Awards .br Now thats what we call confidence. Demi Lovato totally killed her performance of Confident at the 2015 AMAs! The gorgeous brunette appeared on the stage .