Arie and Lauren have since traveled to Spain together in continuation of their engagement celebration.
Arie and Lauren were spotted smiling, laughing and showing some PDA on the streets of Barcelona this week, as well as inside a restaurant.
A source told Reality TV World that Lauren and Arie checked in to the Iberostar Paseo de Gracia hotel on Thursday afternoon, and their room features a two-story suite with a private balcony and ocean view of La Sagrada Familia, Tibidado and Montjuic.
The couple called their surroundings "insane," according to the source, and the luxury suite normally costs $25,000.
Lauren looked adorable in black leggings, a white T-shirt and a jean jacket, while Arie was sporting jeans and a navy-blue plaid shirt.
"Made it to Barcelona," Arie wrote in an Instagram story, while showing off their room at the hotel. "This place is incredible. Can this get any better?"
An eyewitness told the website that Arie and Lauren "couldn't keep their hands off each other as they cuddled and danced in the street outside a hotel. [They] were all smiles as they kissed and embraced one another."
Arie and Lauren embarked on this romantic vacation out of the country to escape all The Bachelor drama and simply enjoy each other's company. The pair kicked off their trip with a stop in Reykjavik, Iceland.
In one photo Arie shared on his Instagram from Iceland, he wrote that his mother said she had never seen him happier in his life.
While in Iceland, the couple took advantage of the beach, a waterfall, the Blue Lagoon, ponies, and cappuccinos in bed.
After ending his engagement to Becca and breaking her heart, Arie ran back to Lauren days later and begged her for a second chance. She welcomed him back with open arms and then Arie popped the question on March 6 on The Bachelor: After the Final Rose.
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Once Arie and Lauren return home from their adventure, they intend to get the ball rolling on their wedding plans. Lauren, who currently resides in Dallas, TX, will also be moving to Scottsdale, AZ, to live with the pro racing driver.
"Lauren has been telling everyone that she is so excited to get married and wants it to happen very quickly. After everything that they have been through, they are ready to just seal the deal and spend forever together... Lauren loves the spotlight and doesn't care that her fiance is not liked by America," an insider recently told E! News.