Happy Election Day 2012, America!

We're sure that all of you 18-and-overs have hit your local polling place (or are about to) to cast your vote for the next President, and you are not alone.

A ton of your favorite celebs are also fulfilling their civic duty today, hitting the voting booth and sharing pics of the experience.

President Obama and Governor Romney of course posed for the cameras, as did stars like will.i.am, Nicole Richie, Ryan Seacrest, Mariah Carey, Josh Duhamel and more!

Click "Launch Gallery" above to see the shots that celebs shared today ... and don't forget to VOTE!

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