Memorial Day is here, and while the day commemorates the men and women who died serving our country, it also marks the kickoff of the summer vacation season.

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Halle Berry, Lindsay Lohan, Lil Wayne, Sofia Vergara, Sean Penn, Julianne Hough and more -- see which stars have already hit the beach this year to swim, tan and surf.

Check out the gallery above ... and then get yourself to the beach!