Jill Duggar shares photo of rarely-seen sister Jennifer as star's younger sibling turns 16 years old

JILL Duggar has celebrated seldom seen younger sister Jennifer's 16th birthday.

The Counting On alum gave fans a present with a new photo of the teen.

Although she doesn't have a social media presence, and largely stays out of the spotlight, Jill, 32, did post a recent photo of her younger sister to her own Instagram stories.

The birthday girl looked grown up and mature as she smiled standing next to Jill.

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The two were practically carbon copies of each other, sharing the same hair color, eyes and facial features.

As Jennifer flashed a wide grin, her smile revealed her braces.

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Underneath the sweet snap, Jill added a touching tribute.

"Happy birthday to my all grown up, youngest little buddy on my team, Jennifer!" Jill shared.

Fans reacted in a social media thread as one person wrote: " Very sweet picture," and another added, "Sweet little Jenni. At least someone is acknowledging her birthday."

RARE APPEARANCE

Jennifer had rarely been seen until earlier this year, when she resurfaced in a snap with sister Johannah, 17, and two friends as they enjoyed a girl’s outing.

As shared on their pal Elizabeth Bontrager’s Instagram story, the pair piled into the car with two others as the elder Duggar sister sat in the driver's seat.

Johannah smiled brightly while wearing an olive green t-shirt, her light brunette hair pulled back in a ponytail.

Her younger sister Jennifer could be spotted in the backseat, sitting modestly in a black dress with her long dark blonde hair worn straight.

Elizabeth snapped the selfie with her left hand and captioned it with four pink hearts as she smiled happily with her friends.

When Jennifer has been seen, it sometimes has come with controversy.

MOM SLAMMED

Her controversial mom, Michelle has previously faced backlash for her treatment of her daughter, after fans noticed something awry with a resurfaced clip from TLC's 19 Kids and Counting.

In August of 2022, critics slammed the family matriarch for her "lack of connection" during a "forced" conversation with her.

In the throwback, the now 56-year-old mother watched how her child prepared the food for her pet calf.

"Wow. That's why they grow up so fast," Michelle wrote at the time.

Jennifer corrected her mother: "They don't grow very fast actually.

"It takes like six months for them to get big."

The the ex reality star came up with a possible reason and claimed: "Oh, probably because she was orphaned."

Michelle quickly changed the subject and asked: "What's the next pet that you're hoping to get?"

Jennifer wanted to get more ducks and chickens as pets. 

FAN BACKLASH

Fans slammed the star's "bad performance" in the comments section as she seemed unable to communicate with her daughter.

"It seems like she's acting in every scene...even the ones attempting to show a normal parent-child interaction," one critic said.

Another added: "She acts like this is the first time she has ever seen this child."

A third mentioned: "This scene was so hard and awkward to watch. Like how do you not know how to connect with your child?"