Fergie, Jay Z, U2, Justin Timberlake stand up to cancer. Join them!

Join A licia Keys, Renee Zellweger, Justin Timberlake, Fergie and the Black Eyed Peas, Jay Z, the cast of the hit series, "Community," and stand up to cancer. No, really stand up!

All these celebrities -- and many more -- have contributed their time and talent to support  standup2cancer.org.