On Wednesday, April 9, The Kardashians star, 27, shared a rare photo via Instagram Stories of her son Aire, whom she shares with rapper Travis Scott, looking all grown up.

The 3-year-old was standing up tall, dressed in a black shirt and khaki pants as he reached his hand out to the camera.

"My beautiful boy," she captioned the sweet snap.

During the former couple's on-again, off-again relationship, one thing has remained constant: their dedication as parents to their two children. In addition to Aire, Jenner and Scott also share daughter Stormi, whom they welcomed in February 2018.

Since becoming a family of four, both the rapper and the beauty mogul have been vocal about the positive impact parenthood has had on their lives.

"Fatherhood is the most impressive thing that has ever happened to me," Scott told GQ Germany in 2020. He also credited Stormi's birth with showing him "so many things that I didn't understand."

Jenner has echoed similar sentiments about parenthood. "Everyone says you change completely when you become a mom, but I really feel the same, just better," she told her older sister Kim Kardashian in 2018. "The whole thing is really … it's like such an amazing experience."

In February 2023, the Kylie Cosmetics founder transformed her home for Aire's racecar-themed first birthday party. The decorations included balloons that spelled her son's name, a giant ball pit, an Astroworld-inspired grand entrance and a racecar cake.

The beauty mogul also shared a montage of never-before-seen photos and videos of her little boy on Instagram.

"AIRE. my son, my moon, my stars. best year of my life with you. you complete us my angel. mommy loves you. happy 1st birthday. may God always bless you," Jenner captioned the post.

On Tuesday, Sept. 3, 2024, Jenner revealed her son was still into cars. She posted about her son's sweet obsession with toy cars via her Instagram Stories.

“My son is always leaving a new little car in my bed ????????????,” Jenner wrote as she shared a photo of a miniature yellow toy car nestled in her bedsheets. The reality TV star then posted a video zooming in on another green toy car on top of a marble surface in what appeared to be her dressing room as she added, “They’re. Everywhere.”