EXCLUSIVE

'Jersey Shore' Reunion Sammi Sweetheart Returns ... As Sex Doll

Sammi "Sweetheart" Giancola won't be on the "Jersey Shore" reunion, at least not in the flesh, but the crew won't be a woman down since she's being replaced by a sex doll.

Doug Weldon is the owner of hotsexydolls.com and tells TMZ that someone from production approached him in early January about making a replica of Sammi for the reunion since she wouldn't be returning.

Sammi, who dated Ronnie Ortiz-Magro during the original six-season run of the show, said she opted out because she's in a different place in her life than she was during the first run of the show.

Enter Doug, who says he was told the doll would be a huge part of the show, but making a carbon copy of Sammi's face was a no-go since it would've taken 6 weeks, and there wasn't enough time before filming started.

Production bought a standard 5' 5'' doll from the website that Doug reduced to C cups. He also provided them with two female heads and made them look like Sammi ... using the right shade of makeup along with 4 wigs, so production could match her hairstyle. Total cost ... $1,840.

Doug says he shipped the goods to Miami in a box that the crew can be seen opening in the trailer. We're told it makes its official debut in the first episode.

Snooki's reaction is priceless ...

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