They have said it before and are now getting ready to repeat it.

DailyMail.com provides exclusive details about what you can expect from Jennifer Lopez and Ben Affleck’s celebration wedding.

The festivities began Thursday night with a party. 

The preparations below got hotter and fireworks lit up overhead, while bonfires burned late into the night.

The ATVs were used to entertain guests earlier in the day.

With so many people already at the compound (which includes several guest houses), a large number of luxury cars and SUVs arrived at the gate today mid-afternoon. 

The party is expected to kick off with a rehearsal dinner tonight – after what was surely a heart-stopping afternoon when Ben’s mom Chris Boldt was rushed to the hospital. As DailyMail.com revealed exclusively, she fell off their dock. 

Countdown to the big day! Party organizers have been seen working around the clock at Ben Affleck and Jennifer Lopez's Riceboro, Georgia, estate ahead of their wedding extravaganza this weekend

Countdown until the big day! Before their weekend-long wedding celebration, party organizers were seen at Ben Affleck’s Riceboro estate in Georgia. 

An altar appears under construction along the riverfront as workers tend to the sprawling property

Workers tend to the property and a large altar has been constructed on the riverfront.

Despite having already tied the knot in Las Vegas last month, the Hollywood couple is now throwing caution – and budgets – to the wind and DailyMail.com has learned that the cost of preparing the grounds alone runs to more than $400,000

Despite having already tied the knot in Las Vegas last month, the Hollywood couple is now throwing caution – and budgets – to the wind and DailyMail.com has learned that the cost of preparing the grounds alone runs to more than $400,000

All through the day trucks and supplies continue to arrive, with event organizers and staff erecting structures and tents for the star-studded celebration that has been four months in the planning

Trucks and other supplies keep arriving, and event organizers as well as staff continue to erect structures and tents in preparation for the stars-studded party that took four months to plan.

The main event – or the 'wedding' – will take place on Saturday, rounded off with a barbecue picnic on Sunday. Catering and event vehicles were also seen arriving in a steady stream ahead of the big day

The main event – or the ‘wedding’ – will take place on Saturday, rounded off with a barbecue picnic on Sunday. A steady stream of catering trucks and event vehicles also arrived in the area ahead of big day.

A stunning covered reception area with lakeside views was seen being prepared ahead of Saturday's wedding

Before Saturday’s ceremony, a stunning covered reception was set up with beautiful views of the lake. 

Guests at the tasteful nuptials will be served food and drinks in the warm Georgian weather - but will be shielded from any unexpected downpours

At the elegant nuptials, guests will enjoy delicious food and drink in Georgian sunshine – while being protected from rain. 

An aerial shot conveys the scale of the wedding prep currently underway - and the exceptionally picturesque setting

This aerial photo shows the size of the wedding prep that is currently taking place – in a stunning setting. 

A pontoon filled with what appeared to be fireworks was also snapped sitting close to the lake where the reception will be held, suggesting that Bennifer plan to end their celebrations with a bang

Bennifer also captured a pontoon with what looked like fireworks sitting near to the lake, where they will hold the reception.

Jennifer will walk up a lengthy aisle from their home to greet Ben at the newly-constructed wedding altar

Jennifer will take a long, winding path from her home to meet Ben at their newly constructed wedding altar.

Another image shows how a picturesque wooden outhouse will be deployed for part of Bennifer's celebrations

A second image illustrates how Bennifer will deploy a charming wooden outhouse as part of his celebrations 

Another temporary building was being constructed by the couple for an unknown purpose

A second temporary building was constructed by the couple, but its purpose is unknown

The mysterious blue building appears from another angle. It sits at the end of a long driveway

From another angle, the mysterious building in blue appears. It is at the end on a long driveway.

Guests at the outdoor reception area will have a prime viewing position to watch Saturday night's fireworks display

Guests staying at the outdoor reception will be in prime position to view Saturday night’s fireworks display.

J.Lo confirmed they tied the knot in Vegas in her newsletter

The couple surprised their fans when they opted for a low-key Las Vegas wedding at the world famous Little White Wedding Chapel last month

Their fans were surprised when the couple chose to hold a low-key Las Vegas Wedding at Little White Wedding Chapel.

The main event – or the ‘wedding’ – will take place on Saturday, rounded off with a barbecue picnic on Sunday. 

Although Affleck (50) and Lopez (53) are the main event, weekend guests are treated to many activities.

One month has passed since they secretly married in Las Vegas’ Little White Chapel. The couple kept their wedding secret and low-key.

Now they’re throwing caution – and budgets – to the wind and having a blast with their family and friends.

DailyMail.com discovered that the total cost to prepare the ground costs over $400,000.

Trucks and other supplies arrived throughout the day, just as they had for several weeks to be ready for the celebration which has taken four months.

Marquees were erected and sprung dance floor laid. Furniture, glassware, and linens were brought in. Icebox, a high-end cocktail caterer, brought a fleet of vehicles to the event on Thursday night.

These photos show a white, elegant walkway that runs from Affleck’s large plantation-style home at the rear to the river. An enclosure is placed at the water’s edge. 

The property's Big House', or main mansion, is an imitation of a plantation house set on 87 acres of land

The main house, the Big House, on the property, imitates a plantation home and is situated on 87 acres.

The party is expected to kick off with a rehearsal dinner tonight, followed by the main 'wedding' ceremony Saturday

Tonight’s rehearsal dinner will be followed by Saturday’s main “wedding” ceremony.

Affleck bought the property, set in tidal marsh, back in 2003 and made a variety of improvements to the 6,000 square foot 'Big House' and 10,000 square foot 'Oyster House' (pictured) which sits next to it and serves as a lavish guest house

Affleck acquired the property in tidal marsh in 2003. A variety of upgrades were made to the 12,000 square foot Big House’ and 11,000 square foot (pictured), which lie next to it. These houses are used as lavish guesthouses.

With many guests already in the compound which includes multiple guest houses, a cavalcade of black SUVs and luxury people carriers arrived at the gates mid-afternoon Friday

Many guests had already arrived in the complex, which has multiple guest houses. A cavalcade black SUVs and luxurious people carriers reached the gates at mid-afternoon on Friday.

The finer points are being worked out by a Charleston-based piano tuner, and Charleston-based musical instruments suppliers Fox Music. They arrived on Friday in time for the rehearsal dinner.

Savannah-based Cape Creations will cater the event. Their website claims that they love weddings! They promise to set up arrangements that are just as eye-catching and delicious as they are tasty.

Their restaurant branch, York Diner, will also be providing their signatures southern food – such as fried-pork chops, oven roast chicken, Mac and Cheese, collard greens, crowder peas and squash casserole.

The Farmhouse will host the celebrations for guests. This is a photo taken by DailyMail.com this week. It sits in the middle of the property.

This barn-like structure will be decorated with flowers and lights, and surrounded by marquees.

Affleck purchased his 87-acre property in the tidal marsh in 2003. He made many improvements to the 10,000 sq. foot “Big House” and the 6,000 square feet “Oyster House”, which are adjacent to it. They also serve as lavish guest houses.

A piano tuner and Charleston based musical instruments suppliers Fox Music suggested the finer details are being put in place as they showed up Friday ahead of the event's rehearsal dinner

The finer points are being worked out by a Charleston-based piano tuner, and Charleston-based musical instruments suppliers Fox Music. They arrived on Friday in advance of the rehearsal dinner

The event will be catered by Cape Creations, a Savannah-based company whose website boasts that they 'love weddings!' and promise set ups that are as 'eye-catching as they are delectable'

The event will be catered by Cape Creations, a Savannah-based company whose website boasts that they ‘love weddings!’ Cape Creations promises to create set-ups as attractive as they are delicious.

A tractor vehicle for leveling the ground was seen at the property Friday. For the past two months trucks of Georgia clay and lime have been piling in to smooth and grade all the roads

The property was visited Friday by a tractor that is used to level the ground. Trucks of lime and Georgia clay have been leveling the road for the past two years.

B.I. Production Works film trucks arrive at the security checkpoint at Ben Affleck and J-Lo's secluded wedding set up on rural Hampton Island Preserve

B.I. Production Works trucks arrive at security at Ben Affleck’s and J-Lo’s private Hampton Island Preserve wedding.

A fleet of vehicles from high end cocktail caterer Icebox arrived Thursday evening to guarantee guests an ice-cold beverage in the heavy heat of a Georgia summer

A fleet of vehicles from high end cocktail caterer Icebox arrived Thursday evening to guarantee guests an ice-cold beverage in the heavy heat of a Georgia summer

Lopez was not satisfied with certain aspects, however, an inside source said there were some things, such as the roads around Lopez’s property that run from the Big House and Farmhouse to the Farmhouse. The four-mile stretch of road that leads to specially designed security gates is also known to be potholed.

Since the beginning of the year, truckloads made from lime and clay in Georgia have been working together to grade and smoothen all roads. 

Lopez has given workers a deadline Friday at 6 p.m. to repair and fill any holes that may have appeared. 

Half a dozen horse-like piebalds were transported by trailers to Hampton Island Preserve on Saturday. Affleck constructed a stable facility for three million dollars to house the horses.

For guests who want to go on a trail ride, they are available. Those who prefer their transportation to come with four-wheels will be treated to an ATV tour of the property – an activity that Affleck in particular thought fun as he admitted to one source that he had never actually been on an ATV.

Affleck or Lopez can be reached by buggy from the guest accommodations to take their guests on the 18-hole golf course, provided there is no severe weather.

Exclusive pictures obtained by DailyMail.com show Jennifer Lopez and Ben Affleck at the hospital Friday afternoon as Ben's mother received stitches after an accident at her son's Georgia estate

DailyMail.com exclusive photos show Jennifer Lopez with Ben Affleck in the hospital on Friday, as Ben’s mother receives stitches following an accident at Ben’s Georgia estate.

A source told DailyMail.com that Ben's mother, Chris Boldt, fell off a dock and cut her leg at the Riceboro property. His mother is seen in a wheelchair leaving the hospital

DailyMail.com was told by a source that Ben’s mother Chris Boldt fell from a dock, and she cut her leg on Riceboro property. As he leaves the hospital, his mother can be seen sitting in a wheel chair. 

Ben reportedly found his mother after her fall on the dock of his estate and called the ambulance

After his mother fell on the estate dock, Ben called 911 to report that he found his mom and called an ambulance.

A source told DailyMail.com the injury was 'not serious', though Ben's mother needed stitches

DailyMail.com was informed by a source that the injury wasn’t serious, but Ben’s mother still needed stitches 

An ambulance was seen arriving at Ben Affleck's Georgia property Friday just hours before the start of his and Jennifer Lopez's wedding weekend

A ambulance was seen at Ben Affleck’s Georgia property just hours before Jennifer Lopez’s wedding weekend began. 

A plan was made to shoot a skeet over the lake Affleck had filled.

Lopez, Affleck, and their children flew into and landed in this lake last Sunday in their seaplane after they had seen a Broadway musical in New York.

Affleck, who is an avid marksman, also has a shooting lane for anyone who wants to practice their aim.

A morning crabbing trip on the Newport River for the children – including Lopez’s 14-year-old twins Emme and Max and Affleck’s daughters Violet, 16, and Seraphina, 13 and son Samuel, 10 – was planned for earlier this week but had to be rescheduled when the kids slept in.

People who enjoy less strenuous activities can take advantage of spa treatments Saturday before the ceremony, which is expected to be held in late afternoon.