What's Trending's Fourth Annual Tubeathon Benefitting American Red Cross [Getty Images]

BURBANK, CA - APRIL 20: Singer Sabrina Carpenter performs on stage during What's Trending's Fourth Annual Tubeathon Benefitting American Red Cross at iHeartRadio Theater on April 20, 2016 in Burbank, California. (Photo by Vivien Killilea/Getty Images for iHeartMedia)

Getty Images Entertainment Vivien Killilea