A 16-Year-Old Cancer Survivor Stuns the Audience With Rachel Platten's "Fight Song"

<p><span>Calysta&nbsp;Bevier:&nbsp;Teen&nbsp;Cancer&nbsp;Survivor&nbsp;Gets&nbsp;Simon&nbsp;Cowell's&nbsp;Golden&nbsp;Buzzer&nbsp;-&nbsp;America's&nbsp;Got&nbsp;Talent&nbsp;2016</span></p>