Kristin Cavallari is breaking up with Mark Estes after seven months of dating

Kristin Cavallari has reportedly broken up with her boyfriend Mark Estes after a seven-month romance.

An insider revealed it People magazine on September 27 that the 37-year-old TV personality is now officially single.

Additionally, Kristian also confirmed her breakup with the Montana Boyz TikToker during Alex Cooper’s Unwell tour stop in Texas, telling the podcaster their breakup was “fresh.”

For those who aren’t familiar: the former The hills alum announced her relationship with Mark on Instagram in February 2024.

“He makes me happy,” she wrote alongside a photo of her with Mark.

After the two went public with their romance, a confidant told the outlet that Kristian was “the happiest she’s ever been.”

“Everything is so good with Mark and he’s great with their kids,” the source said in May. “They have a lot of fun together.”

“It’s honestly the happiest her friends have seen her in the last decade,” a tipster added.