Celebrities, charity leaders, and activists redefine Christmas this holiday season by sing about supporting their favorite causes. Nzinga Blake, Noah Segan, Invisible Children, Brian White, TOMS Shoes, Lukas Haas, Ken Joeng, Falling Whistles, Jack Healey, Pat Pedraja, Joy Bryant, Carly Craig, Kestrin Pantera, Sarah Carter, and Tucker explain what the holidays mean to them.
