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Reese definitely got stamped!

Reese Witherspoon gave a rare glimpse of her bikini bod while combing with the beach in Hawaii with husband Jim Toth on Sunday. 

PHOTOS: Reese, Jim and her kids -- happy family!

But the 35-year-old Oscar winner's impressive beach physique wasn't the only showstopper: On her lower abdominals, beneath her bellybutton, Witherspoon displayed a recently acquired new tattoo.

The How Do You Know star's ink wasn't a heart, Chinese character or a rose. Instead, Witherspoon's chosen tat was a star, flanked by what appears to be two small birds.

PHOTOS: Celebs' weird body art

Witherspoon first debuted her surprisingly large tattoo over the July 4th weekend, when fans weren't sure whether it was permanent.

No word yet on the meaning behind the edgy new ink.

PHOTOS: How Reese and Jim fell in love

Tell Us: What do you think of her tattoo?

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