Natalie Portman is just one of the few celebrities these days who have gone animal-free when it comes to her food and clothing. She's found her calling in not just acting, but also as a popular advocate on social and political issues. Watch the video above to see others practicing veganism in Hollywood!

These Celebrities Are Vegan 

The cast of 'Grey's Anatomy'

Test your knowledge!

Who has NOT been with the show from season 1 to today?