July 17th, 2013
YouTube star Talia Castellano succumbs to cancer at 13
Talia Joy Castellano, who was diagnosed with an aggressive cancer six years ago, refused to let her illness keep her down, becoming a YouTube sensation, an honorary CoverGirl, and a guest on "The Ellen Show" by age 13. Now fans around the world are mourning her loss. NBC's Gabe Gutierrez reports.