Jason Duggar Celebrates Wife Maddie Grace’s 21st Birthday After Their Wedding: 'I Love You Always and Forever'

Maddie Grace Duggar celebrated her 21st birthday six days after marrying Jason Duggar

Jason Duggar can’t help but celebrate his wife!

On Wednesday, Oct. 9, Jason, 24, posted a sweet Instagram celebrating his wife Maddie Grace Duggar’s 21st birthday.

Jason, the 12th child of Jim Bob and Michelle Duggar, posted a carousel with two photos of Maddie Grace enjoying her birthday dessert. He followed it up with a photo of the pair smiling beside each other, as Maddie wore a pink and red floral dress and Jason wore a black polo shirt and blue jeans. The post concluded with an adorable selfie of the two in more casual looks.

“Happy Birthday to my gorgeous wife, I love you always and forever ❤️,” Jason captioned the celebratory post.

Related: Jill Duggar Dillard Posts BTS of Brother Jason's Wedding, from Cake Cutting to Dancing and the Bouquet Toss

A few of Jason’s siblings commented on the post, wishing Maddie a happy birthday, including sisters Jill, 33, Jessa, 31, and Joy-Anna, 26.

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Maddie’s milestone birthday comes days after another major life update: marrying Jason! On Oct. 3, the pair tied the knot in a “breathtaking” fall ceremony in front of 300 guests at The Estate at Sweetwater Creek in Newport, Tenn.

Eight of Jason’s siblings were in the wedding party, including Jedidiah, 25, who was the best man. James, 23, Justin, 21, and Jackson, 20, rounded out the groomsmen.

Maddie's bridesmaids included Johanna, 18, Jennifer, 17, Jordyn-Grace, 15, and the youngest Duggar family member, Josie, 14.

Before the couple's nuptials, Maddie and Jason, who went Instagram official in late May, told PEOPLE about what they're looking forward to in this new chapter.

Related: Jason Duggar Reveals the Adorable Way He Inadvertently Met Wife Maddie While Helping Sister Jana Find Love (Exclusive)

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"I think for both of us, we're pretty simple people really. It's like just doing life together," Jason said at the time. "Just being able to enjoy the next seasons of life and just be able to take those next steps."

The pair added that they were excited about "traveling" and "settling down" for a little while.

"We really became each other's best friends and it just kind of built from there," added Jason. "The journey is what has shown us that we are just perfect for each other."

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