Celebrity Parents Pregnant Kaitlynn Carter Shares First Snap of Bare Baby Bump in Blue Bikini Kaitlynn Carter is expecting her first child with boyfriend Kristopher Brock By Georgia Slater Georgia Slater Twitter Georgia Slater is a writer/reporter on the Parents team at PEOPLE. People Editorial Guidelines Published on June 28, 2021 02:30 PM Share Tweet Pin Email Photo: Kaitlynn Carter/Instagram Kaitlynn Carter is flaunting her baby belly! The Hills: New Beginnings star, who is expecting her first child with boyfriend Kristopher Brock, gave fans the first look at her bare baby bump Sunday after posting pictures of herself in a blue bikini to Instagram. In the snaps, taken while vacationing in Mexico's Todos Santos, the mom-to-be, 32, soaks up some rays while resting on a lounge chair. "My oldest tattoo finally made it into a photo ➡️➡️ ," she writes, tagging tattoo artist Dakota Gomez. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Kaitlynn Carter/Instagram Kaitlynn Carter Says She and Boyfriend Kristopher Brock Began Talking About Having Kids 'Very Quickly' Last week, the reality star revealed on an episode of the Hillscast podcast that it didn't take long for her and Brock, who began dating just over a year ago, to start talking about building a family. Brock also has a 6-year-old son from a previous relationship. "When I began dating again, I knew that it was really important to me to find somebody who had the same goals and wanted the same things in life that I did," she said. "So, we got to the conversation about having kids and where we stood with all of that very quickly." Carter recalled the moment she found out she was pregnant, saying that it took some time to process the exciting news. "It's something that I wanted for so long, that when I found out that I was actually pregnant, I was really surprised, in a good way of course," she said, adding: "It took me a while to really absorb it. I'm just really excited. I've been really lucky -- I haven't had sickness or anything like that." RELATED GALLERY: Who's Due Next? Celebs Who Are Expecting On June 17, Carter announced her pregnancy on Instagram, posting a silhouette photo of herself and Brock. In the snap, which shows their shadows up against a rock wall, Carter's baby belly is on full display. Carter captioned the photo with a simple black heart emoji. Several of the reality star's famous friends congratulated the couple in the comments, including Audrina Patridge, who said Carter had the "Cutest belly!!!!❤️" Caroline D'Amore, Carter's The Hills co-star, wrote: "Yessssssss!!! So happy for two of my favorite people. Can't wait to meet your little. You two are going to be the best parents!"