Video · Stand Up To Cancer: Want Your Favorite Celeb To Give You A Shout-Out During The Event?

Gwyneth Paltrow, Reese Witherspoon, Jennifer Aniston and more stars will be hitting up the phone lines soon! Stand Up to Cancer —which has raised $261 million to date—is entering its fourth charitable year, and when Hollywood hits the phone banks on Sept. 5, celebs will reach out via a personal phone call.