Kristen Bell and Young Hollywood Stars Stand Up to Cancer

From Kristen Bell to Zac Efron to Vanessa Hudgens to Dakota Fanning, a slew of young stars are teaming up with Stand Up To Cancer to change the odds for their generation.

In a public service announcement for the organization, Kristen Bell states, "[The] odds of getting cancer in your lifetime: one in two men, one in three women."

"It's up to us to change the odds for our generation, for the ones we love, for our future. If you don't like the odds, stand up," the celebrities say in the PSA.