Sammi ‘Sweetheart’ Giancola returning to Jersey Shore after all these years is everything fans could’ve hoped and dreamed of. The MTV star was a part of the show’s original cast and rose to reality TV fame in 2009. Over a decade later, she’s back on our screens, and this season, fans cana’t expect to see more of her partner, Justin May, on Family Vacation. Last season, Sammi introduced her Jersey Shore family to her new boyfriend, Justin. Now, Justin’s joining Family Vacation as a recurring cast member and fans are convinced he’s the spitting image of her ex-boyfriend, Ronnie Ortiz-Magro. Samm…