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Hollywood A-listers from Tom Hanks to Kristen Stewart are urging Americans to exercise their civil liberties in ET's Get Out and Vote PSA.

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"If you don't vote, you don't get to complain," says Hanks.

"Your voice counts," adds Eva Longoria. "Be sure you get out and vote."

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Election Day is Tuesday, November 6. Voter eligibility laws vary from state to state. Click here for information on how to register.