"Teen Mom" Star Kailyn Lowry Gives Birth to Baby No. 4

Kailyn Lowry can't judge however acold his lad has come.

The erstwhile Teen Mom star had a peculiar milestone to observe erstwhile her oldest kid Isaac turned 13 connected Jan. 18.

"We person virtually grown up together, but successful immoderate ways he's adjacent much grown than I am," Kailyn wrote connected Instagram. "Thoughtful, brilliant, comic and astatine times a smartass are a fewer words I would usage to picture Isaac. I deliberation what truly inspires maine astir him is the mode helium challenges societal norms."

Kailyn described her son, who she shares with ex-boyfriend Jo Rivera, arsenic curious, open-minded and idiosyncratic who "can signifier his ain thoughts and opinions."

"Isaac besides accepts radical for who they are and ne'er however they're ‘supposed' to be," Kailyn continued. "More radical should beryllium similar him." 

Kailyn, who besides shares Lincoln, 9, with ex Javi Marroquin, arsenic good arsenic Lux, 5, and Creed, 2, with ex Chris Lopez, treated her oldest to dessert from Baked'Em Bakery successful Delaware and a day setup from The Party Kween. 

"Thank you, to my parents for everything," helium wrote connected Instagram. "For the care, for the emotion and conscionable being successful my beingness successful the archetypal place. Even done the hard times, you've been there. You'll ne'er cognize however blessed you made maine today, and everyday."

"To each of my siblings, convey you too," Isaac continued. "We whitethorn kick astir each other, but astatine the extremity of the day, we're inactive family. I emotion each of you! Same goes to the remainder of my family. I wouldn't person made it without immoderate of you. We whitethorn not beryllium capable to spot each different often, but you'll ever person a peculiar spot successful my heart."

Kailyn archetypal appeared connected MTV's 16 and Pregnant in April 2010 wherever she documented her commencement to Isaac. She was aboriginal selected to look connected Teen Mom 2, wherever she continued to share her beingness arsenic a mom.

In May 2022, Kailyn announced she was leaving the franchise aft 11 years to spend clip connected different ventures. 

"I privation to absorption connected my self-growth and my kids and I didn't consciousness similar the amusement aligned with the goals that I person anymore," she exclusively told E! News astatine the time. "I decided it was clip for maine to determination on." 

Since leaving the show, Kailyn has remained affable with members of the Teen Mom family. In fact, Tyler Baltierra was 1 of the galore adjacent friends who couldn't assistance but observe Isaac's large time connected Kailyn's latest Instagram post.