Lauren and Chris wed in front of 160 family and friends in an indoor "secret garden" ceremony in Nashville just four months after getting engaged, Peoplereported.
"I feel like the luckiest girl," Lauren, 29, told People. "We both recognize what we have is special, and we feel very lucky."
"I've just looked forward to the day for quite some time and I'm glad that it's finally here," Chris, 34, told the magazine. "I feel like I'm the luckiest guy in the world to be marrying her."
The couple exchanged personal vows at 14TENN, an industrial-chic venue with white walls, exposed beams, and dark hardwood floors, according to the magazine, where a Nashville-based florist created an indoor garden.
"I really wanted to incorporate a lot of green," Lauren said. "Nashville is really green, and then I'm from Oregon so that's kind of how I wanted it to feel. I wanted it to have a secret garden kind of feel -- really romantic."
Lauren donned a custom-designed dress by Nashville designer Olia Zavozina, who reportedly quickly sketched out Lauren's dream design.
Although Lauren had been in a "kind of indecision paralysis" choosing between a store-bought or a custom-designed dress, Olia apparently won her over with a simple yet elegant white silk and sleeveless gown with a long train, which gave Lauren the "wow moment" she wanted.
The dress also reportedly included a a lace veil much longer than the gown itself and buttons borrowed from the wedding dress Lauren's mother had worn on her big day many years ago.
Olia also designed dresses for the entire wedding party -- including a strapless champagne gown for Lauren's maid of honor, her little sister Mollie -- and Chris rocked a black tuxedo and bow tie. The groomsmen reportedly wore black suits.
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Lauren and Chris reportedly took formal photos before the wedding so they could join their guests right after the ceremony.
Dr. Clayton King, a South Carolina pastor and author whose books have had a strong impact on Lane, reportedly officiated the ceremony.
Lauren and Chris' guests dined on roast chicken, beef filets, Parmesan risotto, asparagus and strawberry shortcake for dessert, according to People. And the couple cut a traditional white wedding cake with salted caramel buttercream filling.
The couple's first dance as man and wife was to Chris' song "Big, Big Plans," which he had played during his June marriage proposal at her family's home in Oregon. The song was reportedly re-recorded into a romantic, acoustic version.
"Chris wrote it, and it was inspired by our relationship, and it has such a special meaning to us," Lauren said. "So I don't think we could really dance to anything else."
The evening concluded with the arrival of a Shake Shack food truck, which appeared to serve burgers and fries.
"You've been dancing and you work up an appetite," Lauren told the magazine. "So my 'must' was we had to have late-night snacks."
Lauren and Chris reportedly took off on a quickie getaway after their wedding but plan to enjoy a "real honeymoon" to Hawaii once he finishes his touring schedule this year.
The pair also reportedly plan to move out of their downtown apartment into a new home in Nashville, along with their recently-adopted dog, Cooper.
"We have a lot to look forward to. I'm praying for a long career in music. It's something I'm very passionate about," Chris told People.
"To get to have somebody like Lauren as a best friend, just in life, is going to make it a million times better. There's just so many firsts that we'll experience -- hopefully kids. Just the whole nine yards. I want all of that with her."
Lauren also said she's excited to share "all the different chapters in life" with her new husband.
"I'm sure I'll only continue falling in love with him throughout those chapters," Lauren gushed.
"I'll have him by my side, through thick and thin, the good and bad, the challenges and all of the excitement. Just being able to call him my husband through all of that is very exciting."
Lauren and Chris met in 2015 at a radio event in Austin, TX, but they started out as friends. Chris reportedly "randomly asked" Lauren in August 2018 to join a group of his friends for a Bahamas vacation and that's when their mutual attraction became known.
"He talked about how he wanted to be single forever, how he didn't know if he wanted kids," Lauren recalled. "Chris decided to use our entire trip to completely scare me away."
But Lauren apparently had her walls up as well, telling People, "I think I was just very guarded and protecting myself."
"I think we probably both were just fighting ourselves over the whole thing," Chris added.
Once Lauren went home to Los Angeles, CA, and Chris returned to Nashville, he said he couldn't get the blonde beauty off his mind.
Daily calls therefore let into more hangout sessions, and then the couple went public with their romance in November 2018 when they walked the red carpet together at the CMA Awards.
"That was kind of the 'Alright, let's do this thing and see what happens,'" Chris shared.
By 2019, things moved quickly. Not only did Lauren move to Nashville in March, but they also went ring shopping together and Lauren picked out a sparkler she loved.
"I just wanted to get her exactly what she wants," Chris said of her 3.5-carat emerald-cut diamond. "I feel like that's a practical way to do it. Why not?"