'The hospitals are packed every winter, as thousands of children fall sick'
The musician uses vegan messaging in his latest project
The animal rights advocate surprised fans with her lesser-known talent
The catchy track is available on YouTube
More than 20 million people have watched the viral video
The song is an ode to the musician's favorite food, tofu
Katy Perry may have strong sexual symbolism in the lyrics of “Bon Appétit”, but the song’s video points out the absurdity of serving up animal body parts for meals.