Kristin Cavallari, 37, has addressed age gap relationship with 24-year-old

37-year-old Kristin Cavallari has responded to backlash after revealing she's dating a 24-year-old.

The US TV personality and fashion designer split from former NFL player Jay Cutler in 2020, with their divorce finalized in 2022.

During their seven years of marriage, the couple welcomed Camden, 11, Jaxon, nine, and Saylor, seven.

Ever since, Cavallari has kept her love life pretty under wraps, until now.

Last week, Cavallari debuted her relationship with Mark Estes of the Montana Boyz with a sweet Instagram post.

Before the Instagram post, many people had believed something was going on between the pair after they were spotted on a Mexican getaway.

And the Laguna Beach alum confirmed the rumors after posting a loved-up snap of herself and Estes on holiday together.

"He makes me happy," Cavallari wrote of her new beau.

Alongside that, Cavallari appeared in a TikTok video with the Montana Boyz - something that quickly went viral.

The short clip showed the group lip-syncing to 'She's Country' by Jason Aldean as Cavallari unexpectedly joined them on the screen.

The video has been viewed more than five million times on the popular video platform, with many commenting on the age gap between the TV personality and Estes.

"What could a 37 year old and 24 year old possibly have in common," one hit out in the comments to the recent upload.

"His high school glory days are still on his instagram," another went on to tease.

"Homeboy was 6 when The Hills aired on MTV," a third joked.

Cavallari ended up responding to some of these comments and it's fair to say she really doesn't care about the backlash she is facing on social media.

The Hills alum posted a video to TikTok on Saturday (March 2) with the caption: "When they're all up in arms that im dating a 24-year-old. Andddd?"

The video, which appeared to be in Cavallari's closet, saw the TV personality lip sync to audio of a woman from a viral Inside Edition video.

"So what are you gonna do about it?" she mouthed. Another voice off screen could be heard saying 'We're reporting it', as Cavallari asked continuing to lip sync: "Are you gonna arrest me? Are you gonna give me a ticket?"

She's certaoinly addressing the drama in style.