"We are overjoyed to announce that we're officially married!" Seinne captioned wedding photos Friday, December 16 via Instagram.
"Last week, we exchanged vows on the most breathtaking beach in Anguilla, an unforgettable trip marking the start of our journey together as husband and wife."
"While this ceremony was just the two of us," she continued in her post, "we were blessed to have our families present during an intimate wedding in Los Angeles last month. We look forward to sharing moments from that special day very soon."
Seinne concluded, "We are overwhelmed with gratitude for the love and support of our friends and loved ones as we embark on this new chapter in our relationship!"
Seinne looked beautiful in her wedding photos, as she donned a white sleeveless dress with an open-back silhouette and double chiffon trains. For his part, Doug sported a beige suit.
Many Bachelor Nation alums took to the comments to show their support and happiness for the couple.
Arie wrote, "Congrats you two!!"
Season 14 The Bachelorette star Becca Kufrin, who also competed against Seinne for Arie's heart on The Bachelor, wrote, "Congrats beauty! Wishing you both all the best on this next chapter."
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Seinne proceeded to post a video montage of her wedding with Doug this past weekend.
"I don't mind if you wanna go anywhere. I'll take you there," she captioned the video.
Seinne and Doug gushed toUs Weekly late last week about how their choice of wedding venue in Belmond Cap Juluca, Anguilla "did not disappoint."
"We're already planning our next trip back and could not have imagined a more magical destination for our elopement and honeymoon," the pair said.
The couple legally wed in the United States in November before flying to Anguilla.
"Although we opted for an intimate ceremony in Anguilla, it was incredibly important to have our family present during the moment when we legally said, 'I do,'" Seinne and Doug told the magazine.
"Our civil ceremony and reception took place in Los Angeles a few weeks prior to our symbolic ceremony."
Seinne and Doug said they loved exchanging vows in the sand with a local guitarist setting the mood.
Seinne and Doug reportedly got engaged in August 2021.
"I knew he was The One from the moment I met him, because I'd never felt the way I felt for him with anyone else. He has become my best friend and is truly the most kind and loving person I've ever known," Seinne told Us at the time.
"He puts up with all of my antics, and I can be exactly who I am, quirks and all, when I'm with him. He planned the most amazing day and it was a complete surprise!"
Seinne said she and Doug have been best friends since they went out on their first date nearly five years ago, after her stint on The Bachelor in 2018.
"As husband and wife, we're most looking forward to continuing to build our lives together as a family," the new spouses gushed.
Seinne was a 27-year-old commercial real estate manager from Newport Beach, CA, when she competed for Arie's heart on The Bachelor's 22nd season.
Seinne was a standout bachelorette for her beauty, poise and intelligence, so much so, that many The Bachelor fans expressed at the time how she was "too good" for Arie and too good to be on a reality dating show.
Seinne, however, believed it was the perfect time in her life to go on The Bachelor.
Seinne graduated from Yale University in 2012 with a B.A. degree in Economics. She's also a certified yoga instructor who has traveled the world and speaks multiple languages.
Arie ended up eliminating Seinne, along with Bekah Martinez, before the women's round of hometown dates during his 2018 season.
Arie sent Seinne packing during their one-on-one date in Tuscany, Italy, right after she confessed she was falling in love with the pro racing driver turned real estate agent from Scottsdale, AZ.
"I was blindsided because I felt like today went really well. I think Arie and I could have continued our relationship, but I'm realizing through this it's not easy for me to express my feelings when it comes to relationships," Seinne said in her final words.
"I feel like I'm really trying and we could have gotten there, but I guess for him, it wasn't fast enough.