Halle Berry
Debbie VanStory/RockinExposures/IPHOTO
New additions to the line-up include Jessica Alba, Halle Berry, Jack Black, Abigail Breslin, Kate Bosworth, Sheryl Crow, Ellen DeGeneres, Melissa Etheridge, Jimmy Fallon, Jennifer Garner, Brad Garrett, Angie Harmon, Tony Hawk, Marg Helgenberger, Diane Keaton, Rob Lowe, Mandy Moore, Sharon Osbourne, Josh Peck, Mekhi Phifer, Keanu Reeves, Jimmy Smits, David Spade and Carrie Underwood.
They are joining a long list that includes Casey Affleck, Jennifer Aniston, Christina Applegate, Lance Armstrong, Josh Brolin, David Cook, Dana Delany, Fran Drescher, Kirsten Dunst, Elizabeth Edwards, Jon Favreau, America Ferrera, Neil Patrick Harris, Salma Hayek, Scarlett Johansson, Julia Louis-Dreyfus, Masi Oka, Danica Patrick, Christina Ricci, Robin Roberts, Homer and Marge Simpson, Meryl Streep, Hilary Swank, Charlize Theron, Goran Visnjic, and Forest Whitaker. News anchors Charles Gibson, Katie Couric and Brian Williams will present news segments on cancer research.
And some of music's biggest stars, including Mariah Carey, Beyoncé, Rihanna, Fergie and Miley Cyrus, will perform their charity single "Just Stand Up," which benefits Stand Up to Cancer.
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