Justin Bieber and Hailey Baldwin are one step closer to saying “I do” — again! After landing in South Carolina on Saturday night, Justin Bieber and Hailey spent Sunday with family members, including Justin’s mom and Hailey’s parents. The couple held a rehearsal dinner which a source said seemed to be for close family members. At the event, Baldwin, 22, wore a white short off-the-shoulder dress accessorized with a white ribbon in her hair and white ribbon heels while Bieber, 25, kept it classy in a white polo tucked into black slacks paired with boat shoes. For the rehearsal dinner, the source says the guests arrived to the Moreland Landing venue via speed boats (the venue is not part of the hotel). “Justin and Hailey took a speedboat down the river to the rehearsal dinner. They both seemed beyond excited. Hailey looked stunning in short, white dress. They enjoyed local food, including an oyster roast,” the insider added. Later in the evening, several friends also joined the fam...