Arie Luyendyk Jr.'s fiancée Lauren Burnham is pregnant with first child

Another Bachelor baby is on the way!

Arie Luyendyk Jr. and Lauren Burnham, who are set to marry in January, are expecting their first child, ET can confirm.

“I kind of had a feeling that I might be pregnant. So my friend insisted on bringing a pregnancy test over,” Burnham, 26, tells Us Weekly, adding that she made her fiancé read the results. “Arie came out with the test in his hand and tears in his eyes. He was like, ‘You’re pregnant!’”

In a sweet Instagram post, Burnham showed off sonogram photos of their little one. Wearing a gray sweater dress, Burnham is glowing as she plants a sweet kiss on Luyendyk, 37.

"Our greatest adventure begins June 2019!👶🏼," Burnham captioned the snap.

Luyendyk expressed his excitement as well, posting two pics with Burnham and the sonogram photos.

"Nothing compares, absolutely nothing compares to the moment you find out you’re going to be a dad!" Luyendyk gushed. "We cried, we laughed and it really was such a special moment for us, we’re so freakin’ happy!"

The couple got engaged earlier this year following the 22nd season of The Bachelor. Luyendyk initially popped the question to Becca Kufrin on the show, before changing his mind and choosing Burnham. Following the controversy, the pair officially got engaged on the After The Final Rose special in March. 

In May, the duo announced their wedding date and location on The View. The nuptials will take place in Maui, Hawaii, at the Haiku Mill on Jan. 12. The tropical affair will be relatively small, with 120 guests in attendance for the destination ceremony.

Since announcing their wedding date, the couple's been in full planning modereleasing stunning engagement portraits, celebrating with a gorgeous bridal shower and revealing the invites for their big day.

ET caught up with Luyendyk last month, where he revealed that the couple were planning on waiting until after their wedding to start a family.

"Obviously first the wedding, but we're really excited to start a family," he said at the time. "But I think we're just trying to get through this section. Obviously the wedding is such a huge part of our lives and it's going to be such a beautiful day."

"But yeah, we're excited to start a family and we've bought a beautiful house and we're really settling in Arizona. But yeah, one step at a time," he added.

Luyendyk also spoke about his wedding look, a Kenneth Cole tux. The reality star said his attire will be "very clean [and] simple," while having "something with a little bit extra."

ET also spoke to the blushing bride, who gave a bit of insight into her custom made "elegant and understated" gown by designer Hayley Paige, something Luyendyk doesn't "have a whole lot of input" in.

"I vibe with her so well. We have very similar interests and style. I’m very girly. She’s very girly. She likes glitter. I like glitter, so it works. She understands what I’m looking for," Burnham said of the designer. "...Oh, my gosh, it’s stunning. She is amazing. I literally get so excited just thinking about it because she’s great."

As for her dream wedding, which she previously said was "relatively stress-free" to plan, Burnham couldn't stop gushing.

"Girls dream about getting married in Hawaii," she mused. "It’s a beautiful destination wedding spot, and I’m very lucky."

Arie Luyendyk Jr. and Lauren Burnham together
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Arie Luyendyk Jr. and Lauren Burnham together
Gezellig 💙
THE BACHELOR - After breaking off his engagement with Becca Kufrin on the dramatic season 22 Bachelor finale, Arie Luyendyk Jr. proposed to Lauren Burnham on The Bachelor: After the Final Rose, a two-hour live special, TUESDAY, MARCH 6 (8:00-10:01 p.m. EST), on The ABC Television Network. (Photo by Lorenzo Bevilaqua/ABC via Getty Images) LAUREN BURNHAM, ARIE LUYENDYK JR.
All @laureneburnham could say was WOW. #WOWmoment #Larie #barcelonabound
GOOD MORNING AMERICA - Arie Luyendyk Jr. chose Lauren Burnham on the season finale of 'The Bachelor.' The new couple appeared on 'Good Morning America,' Wednesday, March 7, 2018, airing on the ABC Television Network. (ABC/Lorenzo Bevilaqua) ARIE LUYENDYK JR., LAUREN BURNHAM
My heart ❤️
JIMMY KIMMEL LIVE! - 'Jimmy Kimmel Live!' airs every weeknight at 11:35 p.m. EST and features a diverse lineup of guests that include celebrities, athletes, musical acts, comedians and human interest subjects, along with comedy bits and a house band. The guests for Tuesday, March 6 included Neil Patrick Harris (Genius Junior and A Series of Unfortunate Events), Arie Luyendyk Jr. (The Bachelor), and musical guest Jon Pardi. (Randy Holmes via Getty Images) ARIE LUYENDYK JR., LAUREN BURNHAM
GOOD MORNING AMERICA - Arie Luyendyk Jr. chose Lauren Burnham on the season finale of 'The Bachelor.' The new couple appeared on 'Good Morning America,' Wednesday, March 7, 2018, airing on the ABC Television Network. (ABC/Lorenzo Bevilaqua) ARIE LUYENDYK JR., LAUREN BURNHAM, MICHAEL STRAHAN
Mondays ❤️😇
Cold hands, warm hearts.🖤
Posted this because I sent this to my mom and she said she’s never seen me happier 😊 So much beauty here in Iceland including this one ☝🏻
It’s all worth it, because I have you. #teamlarie
The real adventure starts now 😇

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