Kristin Cavallari’s Boyfriend Mark Estes Shares PDA-Filled Photo Dump: 'My Girl and I'

Cavallari and Estes debuted their relationship on social media last month

One month after going public with their relationship, Kristin Cavallari and boyfriend Mark Estes are putting their romance on full display.

On Thursday, Estes shared a series of photos on Instagram of the pair getting close. In one snapshot, the TikTok star, 24, wrapped his arms around the Laguna Beach alum while another picture showed the couple nearly locking lips.

The post also included the Hills alum cuddling up to her boyfriend at a bar and puckering up to give him a kiss on the cheek.

“Photo dump of my girl and I ❤️” the Montana Boyz star wrote, as Cavallari, 37, replied in the comment section with a string of black hearts.

Related: Kristin Cavallari Shares Sweet Photo of Her Son Bonding with Her Boyfriend Mark Estes

In a post of her own, Cavallari shared photos of Estes wrapping his arms around her and the pair sharing a kiss.

She simply captioned the Instagram post, “Him 🤍.”

Related: Kristin Cavallari Recalls Boyfriend Mark Estes’ ‘Sweet’ Gesture During Their Romantic Mexico Getaway

Earlier this month, Estes told PEOPLE that the relationship was “going great” after taking the Internet by storm as people weighed in on their age-gap romance.

“Obviously, we’re chill about it if we feel like we can share it on our social media platform,” he said.

Having such a public relationship is something that, “a year ago today, I would never picture,” Estes added. “I’d be like, ‘Yeah, that’s not real.’ But at the end of the day, that's just the shoes we're in now, I guess.”

Related: Audrina Patridge Says Kristin Cavallari Shouldn't 'Settle Down' with New Boyfriend but Supports Her Having 'Some Fun'

Of sharing their status with the world, he noted, “If someone did try to hide a relationship, I don't think you could [online]. It's going to get out there, so it's just something you kind of have to deal with.”

As Cavallari has shared previously, the relationship started after she received an Instagram DM from the Montana Boyz account in December.

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“Yeah, I thought I was on my own account and I DMed her,” Estes admitted to PEOPLE. “We woke up the next day and [my friend] was like, ‘Who DM'd Kristin?’ I was like, ‘Oh, that was me.’”

On an episode of her podcast, Let’s Be Honest with Kristin Cavallari, the mother-of-three’s longtime friend Justin Anderson said she acted like “a little high school girl” when she got the DM.

“I get a DM on Instagram from the Montana Boyz that just says ‘I love you.’ And I’m going, ‘Oh, my God!’” Cavallari recalled.

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