Entertainment Tonight ET Online ETOnline.com

Nancy O'Dell exclusively sat down with Jamie Foxx, getting the Oscar winner to dish on some big news in an interview continuing Monday.

WATCH: The Full Django Unchained Trailer, Uncut!

The Django Unchained star has been named the national spokesperson for Big Brothers Big Sisters, and he revealed that his plan to change kids' lives is simple: "What we want to try to do is -- with the help of what you're doing right now -- let the whole world know what we're doing," Jamie said.

Also on Entertainment Tonight Monday: we're inside J.R.'s goodbye as loved ones remember Larry Hagman at his memorial.