By Rachel Jacoby
Updated Aug 04, 2010 @ 1:53 pm
Credit: Francis Specker/Landov

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Check out some of young Hollywood's finest, like Zac Efron, Dakota Fanning, Vanessa Hudgens and Kristen Bell, in this poignant new PSA for Stand Up To Cancer (SU2C), a charity that raises funds for cancer research. Then find out how you can get involved!