The 29-year-old Oscar winning actress wore a Dior dress as she married the 34-year-old art dealer, People reports. 

The newlyweds then held a wedding reception for their 150 guests – which included the likes of Adele, Cameron Diaz and Emma Stone –  at the Belcourt of Newport in Newport, Rhode Island. 

Guests could be seen mingling in the courtyard of the luxurious but supposedly haunted Rhode Island castle, while wearing tuxedos and dresses.

Lawrence, dressed in her white Dior dress, appears to have joined her friends and family outside.

The bridegroom, looking sharp in a tuxedo, and his best men were among the first to arrive to at the venue amid tight security

which included multiple guards posted around the property with check-in lists, blackout screens and fake hedges erected to prevent prying eyes.

Adele and Cameron Diaz were next to arrive in a blacked out SUV and Mercedes Benz. 

Sienna Miller arrived shortly before 5.30pm in a red, off-the-shoulder puffball dress, accompanied by boyfriend Lucas Zwirner. 

Miller’s dress is a sold out Johanna Ortiz Georgette Señora Maria Rosa dress that goes for a smooth $2500. 

Crowds of excited local residents gathered on the typically quiet streets in the hopes of catching a glimpse of the Oscar winner and some of her 150 guests, among them Adele, Cameron Diaz, Sienna Miller, Nicole Ritchie and Kris Jenner.

The happy couple were seen at the venue earlier in the day as preparations for the festivities ramped up, in exclusive pictures obtained by DailyMail.com.

Carolyn Rafaelian, founder of the Alex and Ani accessories and jewelry company, is the owner of the historic mansion which she has restored to its former glory since buying the property in 2012.

A wood-fire barbecue was underway for guests as they made their way inside to enjoy a cocktail hour ahead of the nuptials. It will be followed by more cocktails, dinner and a party, with entertainment provided by band, The Ruckus.

On Friday night, Jennifer, 29, and Cooke, 34, hosted dozens of friends and family for a clambake on Rose Island. 

Exclusive pictures by DailyMail.com show the bride and groom riding together in an SUV on Saturday as they checked on final details at the wedding venue, Belcourt Castle in Newport, Rhode Island.

The lovebirds left the venue in the afternoon, presumably heading back to their hotel to change outfits ahead of the evening ceremony.

Security was heavy ahead of the wedding, a star-studded affair with a guest list including Kris Jenner, Adele, Cameron Diaz and Sienna Miller. 

Sometime ahead of the couple’s picturesque wedding, local medics and fire crews arrived to the scene after someone inside reportedly suffered a seizure. 

Emergency crews arrived at Belcourt mansion in Newport, Rhode Island on Saturday afternoon before the Lawrence and Maroney shared their vows. 

A young man was strapped onto a gurney by half a dozen EMTs and escorted to a hospital around one hour before the wedding took place.   

Around midday, Maroney was spotted wandering the grounds of the wedding venue dressed in a Vermont hoodie and sunglasses.

Security guards kept a watchful eye over preparations as curious locals gathered at the gates in the hopes of getting a glimpse of the celebrities who have flocked to the town – or the bride herself. 

A-list friends of the Oscar winner were spotted out and about in the town’s busy main street on Saturday morning including Nicole Ritchie and Derek Blasberg. 

Nicole looked in jovial spirits as she chatted with friends and patted a local’s dog. 

Teams of staffers were seen ferrying crates of champagne glasses into the stately historic home and fire pits were being stoked for this evening’s festivities.

Arrangements of roses stood outside the venue in preparation and staff carved pumpkins and fall vegetables. 

Vintage fridges and cabinets along with the racks of dishes, pots and cocktail pitchers were left outside in the fall sunshine.

Rugged caterers were also spotted preparing fresh squash and whole fish for the reception as the meat smoker began billowing. 

The couple have reportedly invited 150 people to their nuptials, with a minimum spend being around $100 a head for the most basic package. 

Jennifer has reportedly enlisted the services of wedding planner Mark Seed and is pulling out all the stops when it comes to food, with s’mores on the dessert menu. 

Smoked pork belly with pickled apple, salt cod beignet, sweet potato flat cakes and Brussels sprouts with cured egg yolk are among the appetizer options.

For guests who still have room left, the entrees will include a leg of beef that has been aged from five years and is topped with forager’s sauce.

Wood-roasted fish with lemon-infused butter and herbs is available too, as are vegetarian options including smoked new potatoes and whey braised cabbage.

Homemade s’mores, salted caramel apples, chocolate bread pudding and cauldron fritters with cinnamon sugar and bourbon cream will finish off the evening.

Gin cucumber lavender champagne and – in keeping with Jennifer’s Kentucky roots – bourbon old fashioneds will be on hand to keep the party going. 

On Friday night, fireworks lit up the night sky over Rose Island, where the happy couple held their rehearsal dinner ahead of the wedding on Saturday.  

Guests arrived at the secluded island venue by ferry, and the rehersal dinner was held far from the prying eyes of curious locals. 

The festive dinner took place under an elegant white canopy, rumored to have been personally prepared by one of the best tentists on the East Coast. 

The happy couple arrived in Newport earlier on Friday for their Saturday wedding, after taking a private jet from New York. 

The couple dressed down for the trip, with Jennifer wearing sunglasses, an oversized camel colored sweater, satin brown skirt and beige flats. 

Cooke followed behind her in navy slacks, a navy sweatshirt, a black jacket and trainers, with a bag slung over his shoulder.

They were spotted leaving their New York City apartment in the same outfits earlier in the day before taking the short flight.

After their jet arrived in Newport, a black SUV whisked them away to the ferry landing to Rose Island, where the rehearsal dinner was held.  

The wedding itself will be held in Newport on Saturday, in historic Belcourt Castle. 

Along with the couple, a steady stream of the Hollywood elite made their way to Rose Island on Friday. 

Guests for the couple’s rehearsal dinner began arriving to Rose Island in Newport on boats Friday evening, with the savvy matriarch Jenner among the first to arrive. 

Jenner sported a charcoal gray ensemble as she arrived for the rehearsal dinner on Friday. Her coat appears to be a Tom Ford faux fur hooded coat that goes for $4850.

Later in the night, Cameron Diaz arrived at the Newport boat dock with her rock star husband Benji Madden and Adele. 

An army of caterers prepared the rehearsal dinner on Friday night, as the guests arrived. 

The rehearsal dinner took place on Rose Island, as exclusive DailyMail.com photos show a large white tent set up on the island and staffers traveling by ferry boat to get ready for the exclusive event.

Meanwhile, deliveries were seen being made to their wedding venue, the extravagant Belcourt Of Newport castle, which was previously famed for being haunted with ‘unpleasant energies.’  

The Louis XIII style mansion dates back to the Gilded Age and was designed by Richard Morris Hunt, the man behind the Statue Of Liberty’s pedestal. His work also includes the entrance hall, grand stairway and outer facade of the Metropolitan Museum Of Art in New York City.   

Earlier in the day, the 29-year-old Oscar winner and her 34-year-old bridegroom were seen on their way to Rhode Island. 

Belcourt has had various makeovers over the years, being a venue for raucous parties in the 1990s and later offering ghost and murder mystery tours. 

In 2013, Carolyn Rafaelian, a Rhode Island native, who purchased the property for $3.6million and remains the current owner, spoke to the New York Times, about the ghostly goings on.

She said: ‘There were energies and entities, some not pleasant. I had a shaman perform ceremonies. We did a major cleansing, energy-wise. There was a lot of heaviness, but we took care of that. Now the house has a different vibration.’

Belcourt Of Newport was first built with 60 rooms for socialite and sometime congressman Oliver Belmont, whose wife Alva Vanderbilt then revamped the estate.

Pickwick Club founders Ruth and Harold Tinney bought Belcourt in 1956 – and the story took a bizarre twist after he died in 1989.

Ruth, then in her 80s, developed an emotional attachment to her home’s plumber Kevin Koellisch, who was then in his 30s.

According to records from a legal battle that pitted Kevin against Ruth’s son and daughter-in-law, the plumber was in a gay relationship and housed his lover at Belcourt – all the while kissing Ruth in public.

Kevin persuaded Ruth to adopt him in 1990 and he obtained the Tinney surname, as well as eventually a partial interest in Belcourt, which caused the long court fight.

During the 1990s, the estate became the site of a notorious string of parties, including one where underwear was reportedly banned.

Rafaelian, who is CEO of bracelet company Alex And Ani, still owns the property and has undertaken a renovation that pays tribute to Alva’s work, according to the house’s website.

Under her stewardship, the historic building now hosts ‘restoration tours’ and can also be used as an event venue – which Jennifer and Cooke are doing this weekend. 

Before Cooke, Jennifer dated 50-year-old Mother! director Darren Aronofsky, but they split in October 2017.  

She was linked to Cooke the following summer after they were introduced by mutual friends and by February, Jennifer was spotted wearing an engagement ring

‘Well, he’s just the best person I’ve ever met in my whole life. It was a very, very easy decision,’ she told Entertainment Tonight after accepting his proposal. 

The couple were seen at the NYC marriage bureau in September. 

‘Jennifer and Cooke were at the weddings bureau together on the morning of September 16,’ an insider previously said. 

They added: ‘They had a female friend and a photographer with them the entire time. They sat in the couches to the left and were trying to remain unseen.’ 

At the end of September, Jennifer shared her Amazon wedding registry with fans with a list of all things perfect for hosting, cooking, travel and more. 

‘Planning a wedding is so exciting, but it can be overwhelming. For anyone else needing a little inspiration, I thought it would be fun to collaborate with Amazon to share a few of my favorite registry wish-list items. 

‘It’s so easy, and you can find everything you need all in one place,’ she said about her registry.’  

Cooke works at New York’s Gladstone Gallery, which represents artists including Lena Dunham’s dad, Carroll Dunham, as well as Richard Prince, Anish Kapoor, and Bjork’s ex, Matthew Barney. 

He is known on the art party scene and previously worked at the prestigious Gagosian gallery. 

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Source: New York Post