Bar Refaeli

VERY DIRTY PHOTO

8/10/2011 6:30 AM PDT BY TMZ STAFF
Bar Refaeli Bikini PhotoProfessional bikini model Bar Refaeli rolled around in the mud at the Dead Sea in Israel ... and it was good.

Bar posted the pics on her Twitter page this morning ... saying, "*muddy* but feels good!! DEAD SEA - if you haven't been... well, sucks for you!"

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