Tomorrow is Earth Day, and Ellen is celebrating by giving away a huge prize on the show. She's also giving you a chance to win! We're not telling what it is yet, so be sure to tune in tomorrow to see what you might win -- and come back here to enter.
- Ellen and the Oscars Demi Lovato Talks Baring It All at the Grammys Ellen Gives Her Single Biggest Gift Ever! Ink About It Jimmy Kimmel Gets Oscar-Ready!