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Hollywood A-listers from LL Cool J to Alicia Keys are urging Americans to exercise their civil liberties in ET's Get Out and Vote PSA.

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"Take the wheel by voting," LL urges. Actor/media mogul Tyler Perry adds: "No matter what you do, get out and vote -- it's so important."

"Please, I beg you," says R&B star Alicia Keys. "If you don't vote, the whole world could just burn."

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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.