Steve Granitz/FilmMagic Ben Affleck and Jennifer Lopez
A source tells PEOPLE that the couple, who are gearing up to celebrate their nuptials alongside friends and family in Georgia this weekend, "have an extraordinary weekend of celebrations planned."
"They will have a pre-wedding party, a ceremony and have lots of fun lined up," the insider adds.
According to the source, the actress and singer, 53, "is ecstatic" about the plans, and "her family will be in Georgia" to celebrate alongside the couple.
"Her mom and sister are already there," the insider says. "The kids with be part of the celebrations too. It will be a beautiful weekend."
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Rich Fury/WireImage Ben Affleck and Jennifer Lopez
Affleck, 50, Lopez and their kids were seen during a family outing Thursday in Savannah, as they prepared to celebrate their nuptials with friends and family after getting married in Las Vegas last month.
The couple stepped out in matching shades of tan as Lopez visited Glow Med Spa while Affleck and the kids got coffee at Gallery Espresso, Glow Med Spa owner Courtney Victor exclusively told PEOPLE.
The family also went shopping in downtown Savannah, which is near Affleck's 87-acre compound.
"They are clearly in love. They all seemed like such a happy and cohesive family unit," Victor said, adding of the bride, "She is absolutely flawless. It's unbelievable how beautiful she is. She is the epitome of a glowing bride."
She went on, "The group was so low-key and gracious."
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The couple tied the knot at A Little White Wedding Chapel in Vegas during intimate midnight nuptials last month.
A source told PEOPLE at the time, "The Las Vegas ceremony was perfect. They both loved it. It was private and low-key. That's all they asked for."