Drop-jawed fans took in the lewd spectacle — then took to the comment section to sound off.
Delilah, 23, with her hair in pigtails, was seen visiting the beauty spot with boyfriend Eyal Booker, 24, who was seen diving into the water-filled sinkhole.
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Enjoy your day,' she wrote, sharing various snaps of the women posing beside a vintage car and all dressed up on Halloween.
This is not the only time the Internet has seen Lisa Rinna nude though… she posed for Playboy twice 1998 and 2009.
Lisa Rinna Sometimes credited as: Lisa Hamlin 9.
The Real Housewives Of Beverly Hills star left virtually nothing to the imagination as she shared the racy photo with her 2.
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