Kristen Bell

Actress Kristen Bell, WWE John Cena, rock band Imagine Dragons

VIDEOS Kristen Bell, John Cena, Imagine Dragons cheer up hospitalized children

In between touring, recording, and/or filming, numerous celebrities use their fame to perform charitable works, often cheering up children who battle serious illnesses. Read on for some recent heart-warming examples, including a voicemail from Kristen Bell’s Princess Anna, a day with WWE star John Cena, and a hospital visit from Imagine Dragons.