RHOBH Star Garcelle Beauvais' Eldest Son Ties the Knot in Little White Chapel Ceremony Amid Coronavirus

SamOli Saunders/Instagram; Inset: Tommaso Boddi/Getty Garcelle Beauvais

Garcelle Beauvais is officially a mother-in-law!

The Real Housewives of Beverly Hills star announced on Sunday that her eldest son, Oliver Saunders, tied the knot with his fiancée, Sam, amid the coronavirus pandemic.

"Congratulations Oliver and Sam

welcome to the family @samoli_saunders #wedding #family," Beauvais, 53, wrote on Instagram alongside three photos. The celebratory post included a smiling shot of Oliver and Sam, the couple standing with their children, and the bride and groom at a drive-thru little white chapel.

Sam also celebrated her and Oliver's nuptials by sharing a slideshow of photos on Instagram from the big day.

The first image is a touching photo that shows Sam and Oliver wearing masks and holding hands outside the chapel under a sign that reads, "The Little White Wedding Chapel Drive Thru Window."

"Mr. & Mrs. Saunders! We said I do! Who knows when we can have a wedding due to covid?! So we did the most important part of a wedding which is becoming one! Wedding reception after Covid is over!" Sam wrote.

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Beauvais' post was met with an outpouring of congratulatory comments, including sweet messages from Ali Landry and Sherri Shepherd.

"Oliver, I am so happy for you and your family! Sending love your way!!!!" wrote Landry.

Said Shepherd, "Congrats!!!"

Garcelle Beauvais/instagram

Oliver Saunders and Sam Saunders

Three months earlier, the newest Housewife to join the Beverly Hills Bravo cast shared more happy news with her fans — the birth of her new grandson, Oliver Junior.

"Introducing my grandson #oliverjunior its Oliver's birthday but I received an amazing gift #familytime #younggrandma @samoli_saunders so full of love what should my grandma name be???" she posted alongside a set of family photos.

Garcelle Beauvais/instagram

Garcelle Beauvais with her family

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And in May, the proud grandma said she was "so in LOVE" with her baby grandson when she shared a picture of herself cradling the infant.

In addition to Oliver, 29, whom she shares with her producer ex-husband Daniel Saunders, Beauvais is also mom to twin sons Jax Joseph and Jaid Thomas, 12, with her second husband, CAA agent Mike Nilon.

In 2012, Beauvais opened up about motherhood on PEOPLE’s parenting blog.

"I had my first son, Oliver, when I was very young. I was modeling in New York when I met his dad. We immediately fell in love and got married after only two months. Crazy, right?! Two years later, Oliver appeared on the scene. He was the best baby, so easy and happy."

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"I took him everywhere with me — on photo shoots, on location, and he did so well on airplanes, too," she wrote at the time. "Oliver is now 21 years old and an up-and-coming rapper. (His stage name is Jayson Rose.)"

She later added that her "happiest moments are when all three of my boys are with me hanging out at home."

Garcelle Beauvais/instagram

Garcelle Beauvais with twin boys Jax Joseph and Jaid Thomas

"Even though they are a generation apart, they love each other so much," she wrote. "My sons bring me such joy, even when they drive me nuts. I’m sure you can relate! Let’s face it: little boys have lots of energy, and when you have two who are the same age at the same time, it means a lot of activity!"

The Real Housewives of Beverly Hills airs Wednesdays (9 p.m. ET) on Bravo.