August 9, 2022 | 9:51am

Zac Posen found his person.

The fashion designer, 41, got engaged to ballet dancer Harrison Ball on Monday.

“Engaged 💍 8.8.22 @__harrisonball__ 🤍,” he captioned an Instagram slideshow.

The social media upload included sweet PDA photos of the pair as well as a glimpse of Posen’s ring.

His fellow “Project Runway” alum Heidi Klum commented on the post with many heart emojis, gushing, “OMG ❤️❤️❤️❤️ I am soooo Happy for you two. CONGRATULATIONS.”

Reese Witherspoon shared her “congrats” in the comments, while Milla Jovovich wrote, “Oh my goodness, i[‘m] so happy for you!!!😝😝😝.”

Ball shared a photo of himself and the Parsons School of Design grad posing in Twin Arrows, Ariz., writing, “💍🤵🏼‍♂️🤵🏻‍♂️ GETTING HITCHED – CUPIDS ARROW(S) 💘.”

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Posen shared sweet snaps via Instagram to celebrate their milestone.

Instagram/ Zacposen

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Posen shared sweet snaps via Instagram to celebrate their milestone.

Instagram/ Zacposen

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Posen previously visited the Twin Arrows roadside statues in April 2021, writing via Instagram that he was “back on the road.”

The following week, he and Ball made their social media debut.

“3500+ miles on the road, 9 states and .🇺🇸,” Posen wrote at the time. “Happy birthday!”

Zac PosenPosen debuted his engagement ring.Instagram/ Zacposen

The New Yorker continued documenting their trips as a couple, from France to Italy.

In September 2021, Posen helped Ball celebrate a career milestone by posting a nude snap.

Zac Posen and Harrison BallThe couple went public with their romance in April 2021.Getty Images for alice + olivia

“Only fans page coming soon…. ( JK😜🤣) & made you 👀!” Posen joked at the time.

“All Kidding aside, it’s been so inspiring to Witness #Harrisonball in his preparation (over a month of rehearsals 6 Days a week) for tonight’s big premiere of @sidrabelldancenewyork new ballet (so much Discipline and dedication)!!” he continued. “So proud of you bb.”