(Photo credit: JB Lacroix/Getty Images)

Kristin Cavallari is officially off the market!

On Friday, the former "Hills" star Tweeted that she married her longtime beau, NFL quarterback Jay Cutler.

"I'm officially Kristin Elizabeth Cutler!!!!!" Cavallari, 26, wrote, along with a photo of his-and-hers wedding bands. The couple reportedly picked up a marriage license in Nashville.

(Photo credit: kristincavofficial/Instagram)

The newlyweds, who welcomed their son, Camden Jack, last August, first got engaged in April, 2011, but split two months later. By that winter, they were back together.

"Sometimes in order for things to get better, they have to end - even if it's momentarily," she told People magazine of the split. "And that was the case with us."