Inside Barron Hilton’s elegant St. Barts wedding

Hilton heir Barron Hilton II tied the knot with Countess Tessa Gräfin von Walderdorff over an “unforgettable and beautiful” weekend in St. Barts — the destination island where the couple first met, a wedding guest told Page Six.

The extravagant weekend kicked off with a Saturday night rehearsal dinner for close friends and family, where von Walderdorff wore an elegant white corset and pants by Wtoo by Watters.

On Sunday, the intimate wedding ceremony was held in a stunning church in the vibrant island capital, Gustavia.

“It wasn’t over the top,” the guest told Page Six. “It was very beautiful and tasteful.”

The bride, 24, walked down the aisle wearing an intricately beaded custom wedding gown by Watters and an ivory veil gifted to her by designer Toni Federici. The groom, 28, looked dapper in a crisp white suit with his hair slicked back.

Right outside the church, champagne was on hand for guests to sip while they took photos of the beaming couple.

Following the ceremony, family and friends headed to Villa La Plage, a luxurious villa on the beach, for the reception. According to our source, guests were “greeted with beautiful craft cocktails at the door,” and the dance floor overlooked the water. There was dancing, rejoicing, and “great vibes” all night, the source said.

The newlyweds looked “so, so in love,” the insider said. “They were so happy.”

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Hilton and von Walderdorff’s first dance was to “Nothing’s Gonna Hurt You Baby” by the band Cigarettes After Sex — an appropriate choice for the former bad-boy and edgy socialite.

While attendees were served fresh seafood, wine and cocktails for the sit-down dinner, the dessert — a tiered white wedding cake decorated with fresh flowers — stole the show.

“[Barron and Tessa] were with each other all night,” said our spy. “But they came around and said their hellos and danced with people.”

“I’m so in love with you, my love,” von Waldedorff wrote on social media just days before saying “I do.” “Words cannot even begin to describe what it’s like to get lost in your smile, locked in your gaze, tickled by your lips.”

Distinguished guests included the groom’s siblings, Nicky Hilton Rothschild and Paris Hilton, who surprised guests by jumping on the turntables to DJ.

Absent from the festivities was Barron’s aunt Kyle Richards, who according to her rep, “Was invited but she had a press tour for her new show.” Her rep also noted of any rumored family drama, “There’s nothing going on with the family.” However, Richards’ daughter Farrah was in attendance.

Our spy also noted the youngest Hilton sibling, Conrad, was missing from the event.

As Page Six previously reported, Barron proposed to von Walderdorff in October 2017 in Central Park.

Additional reporting by Chelsea Hirsch