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.
MORE: Kristin Cavallari reunites with former 'Laguna Beach' co-stars"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.