Kristin Cavallari shares photo with new boyfriend Mark Estes: See the sweet selfie

"He makes me happy," Cavallari captioned the Instagram snap.

Kristin Cavallari is sharing her new love with the world.

The "Laguna Beach" alum took to Instagram on Tuesday to share a selfie with her new boyfriend Mark Estes.

"He makes me happy," she captioned the post, adding a white heart emoji.

In the photo, the two are smiling at the camera while they enjoy a vacation in Los Cabos, Mexico.

Estes also debuted the romance with a TikTok video set to "(Kissed You) Good Night" by Gloriana.

In the clip, he and Cavallari lip-sync while flirting poolside with a perfect view of the ocean in the background.

"Ready to fall," he captioned the video.

Cavallari shares three children with ex-husband Jay Cutler.