Jinger Duggar Is 21! '19 Kids And Counting' Star Celebrates Another Year Of Life Over The Weekend [PHOTOS]

There's more Duggar birthdays to count for the month of Decemeber! MStars News has learned that Jinger Duggar is now 21-years-old.

The family celebrated Jinger's birthday Sunday where they shared the celebrations via Facebook.

"Today, December 21st is Jinger's 21st birthday," the post read. "We are so thankful for her love for Jesus and her sweet personality. She is precious to us in every way!"

It seems like the family also celebrated the December birthday on their mission trip to El Salvador earlier this week.

In the photo below Jinger is enjoying some fun in the sun while writing in her journal.

Not only did the Duggar family enjoy sharing images from their trip, they also showed fans throwback photos of the birthday girl.

"Cute little Jinger! Can't believe she's all grown up... Today we're celebrating her 21st birthday! Such a beautiful young lady-- inside and out!," the family wrote.

Jessa Seewald also joined in wishing her sister a happy birthday. The newly wed wrote, "Happy golden birthday to my sweet sister Jinger! I love you so much!"

Jinger's sister, Jill Dillard, also had something to celebrate: it's her 6-month anniversary with her husband, and soon-to-be father of her child, Derick Dillard!

Jill, who is due in March, shared wedding photos to celebrated their anniversary.

"The last 6 months have flown by! Every day just gets better and better! I can't believe how blessed I am to be married to the most wonderful man ever @derickdillard "Many a man proclaims his own steadfast love, but a faithful man who can find?" (Proverbs 20:6)," Jill wrote.