'Vanderpump Rules' star Kristen Doute reveals what happened on trip to Copenhagen with Stassi and Katie

"Vanderpump Rules" star Kristen Doute is revealing what really went down on her trip to Copenhagen with Stassi Schroeder and Katie Maloney.

During the cast's trip to Mexico on this season of "Pump Rules," Schroeder brought up the trio's trip to Europe when she was explaining why she doesn't love rooming with Doute when they go on trips together. In a quick, passing segment, Stassi says that Kristen freaked out, which caused them to ditch her in Copenhagen as they jetted off to Paris.

Without much more explanation, the episode moves on and focuses on the longtime friends' argument in Mexico. But what really went down in Copenhagen?

SEE ALSO: 'Vanderpump Rules' star Kristen Doute explains what happened with ex James Kennedy in Mexico

During a sit-down interview with AOL Entertainment, Kristen shared her side of the story.

"I had never traveled out of the country in that way before," Doute explained. "I had been to Mexico, Canada and the Bahamas, but I had never been to Europe or experienced jet lag like that in my life. We went to Copenhagen for four days, we were going to be flying to Paris for three days and then I was coming home to go to Turks and Caicos with [my boyfriend] Carter. It was a lot. The first two days, I couldn’t get on the right schedule and I was waking up at 1 am every day like it was 9 am." 

"I was like, 'I can’t live like this!'" she went on. "The lack of sleep made me feel really crazy, and then I got really homesick. I missed Carter and my dogs and, honestly, there was a lot of really bad s--t going on in the world and in Europe [at the time], so I was constantly nervous about that. It was just a lot of anxiety. And being around Carter makes me feel safe, so if he had been there I would’ve been way less anxious."

See photos of Kristen Doute:

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'Vanderpump Rules' star Kristen Doute through the years
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'Vanderpump Rules' star Kristen Doute through the years
NEW YORK, NY - APRIL 02: Kristen Doute attends SiriusXM at SiriusXM Studios on April 2, 2018 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
WEST HOLLYWOOD, CA - FEBRUARY 28: Kristen Doute attends the premiere of 'Thoroughbreds after party at Sunset Marquis Hotel on February 28, 2018 in West Hollywood, California. (Photo by Tibrina Hobson/Getty Images)
WEST HOLLYWOOD, CA - FEBRUARY 28: Stassi Schroeder, Kristen Doute and Katie Maloney attend the Focus Features' 'Thoroughbreds' premiere on February 28, 2018 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
UNIVERSAL CITY, CA - FEBRUARY 27: TV personality Kristen Doute visits Hallmark's 'Home & Family' at Universal Studios Hollywood on February 27, 2018 in Universal City, California. (Photo by David Livingston/Getty Images)
WATCH WHAT HAPPENS LIVE WITH ANDY COHEN -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
HOLLYWOOD, CA - DECEMBER 12: Actress Kristen Doute and Brian Carter arrive at the premiere of Universal Pictures' 'Pitch Perfect 3' at Dolby Theatre on December 12, 2017 in Hollywood, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
LOS ANGELES, CA - OCTOBER 05: Kristen Doute attends the 2017 Awareness Film Festival Opening Night Premiere of 'The Road to Yulin and Beyond' at Regal LA Live Stadium 14 on October 5, 2017 in Los Angeles, California. (Photo by Rodin Eckenroth/Getty Images,)
LOS ANGELES, CA - SEPTEMBER 27: Kristen Doute attends the premiere of Columbia Pictures' 'Flatliners' at The Theatre at Ace Hotel on September 27, 2017 in Los Angeles, California. (Photo by Tara Ziemba/WireImage)
WATCH WHAT HAPPENS LIVE WITH ANDY COHEN -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
INGLEWOOD, CA - MARCH 05: (L-R) Tv personalities Brittany Cartwright, Kristen Doute and Katie Maloney attend the 2017 iHeartRadio Music Awards which broadcast live on Turner's TBS, TNT, and truTV at The Forum on March 5, 2017 in Inglewood, California. (Photo by Frazer Harrison/Getty Images for iHeartMedia)
LOS ANGELES, CA - FEBRUARY 02: Actress Kristen Doute attends the Premiere of Universal Pictures' 'Fifty Shades Darker' at The Theatre at Ace Hotel on February 2, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/WireImage)
WEST HOLLYWOOD, CA - DECEMBER 01: Kristen Doute arrives at Too Faced's Sweet Peach Launch Party at The Lot on December 1, 2016 in West Hollywood, California. (Photo by Joshua Blanchard/WireImage)
WATCH WHAT HAPPENS LIVE -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
WEST HOLLYWOOD, CA - NOVEMBER 04: (L-R) Kristen Doute, guest, Stephanie Corneliussen, and Katie Maloney attend the 'Vanderpump Rules' Season 5 Premiere Party at HYDE Sunset: Kitchen + Cocktails on November 4, 2016 in West Hollywood, California. (Photo by Gabriel Olsen/Getty Images)
WEST HOLLYWOOD, CA - NOVEMBER 04: Kristen Doute attends the 'Vanderpump Rules' Season 5 Premiere Party at HYDE Sunset: Kitchen + Cocktails on November 4, 2016 in West Hollywood, California. (Photo by Gabriel Olsen/Getty Images)
VANDERPUMP RULES -- Season:5 -- Pictured: Kristen Doute -- (Photo by: Tommy Garcia/Bravo/NBCU Photo Bank via Getty Images)
WEST HOLLYWOOD, CA - NOVEMBER 04: (L-R) Kristen Doute, guest, Stephanie Corneliussen, and Katie Maloney attend the 'Vanderpump Rules' Season 5 Premiere Party at HYDE Sunset: Kitchen + Cocktails on November 4, 2016 in West Hollywood, California. (Photo by Gabriel Olsen/Getty Images)
HOLLYWOOD, CA - NOVEMBER 03: Kristen Doute (R) and Brian Carte attend Vanderpump Dogs Foundation Gala at Taglyan Cultural Complex on November 3, 2016 in Hollywood, California. (Photo by Tasia Wells/Getty Images)
NEW YORK, NY - NOVEMBER 02: (L-R) Tom Sandoval, Ariana Madix, Jax Taylor, Scheana Shay, Stassi Schroeder, Kristen Doute, Katie Maloney and Tom Schwartz of 'Vanderpump Rules' attend VanderCrawl at Kola House on November 2, 2016 in New York City. (Photo by Steve Zak Photography/Getty Images)
VANDERPUMP RULES -- Pictured: (l-r) Kristen Doute, Jax Taylor, Brittany Cartwright, Max Vanderpump, Tom Sandoval, Tom Schwartz, Katie Maloney, Michael Shay, Scheana Shay, Peter Madrigal, Stassi Schroeder -- (Photo by: Nicole Weingart/Bravo/NBCU Photo Bank via Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
BEVERLY HILLS, CA - FEBRUARY 25: TV personality Kristen Doute attends the ECOLUXE Pre-Oscars Celebrity Luxury Lounge on February 25, 2016 in Beverly Hills, California. (Photo by Vivien Killilea/WireImage)
LOS ANGELES, CA - FEBRUARY 15: TV personality Kristen Doute (L) and Stassi Schroeder attend The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California. (Photo by Larry Busacca/Getty Images for NARAS)
WATCH WHAT HAPPENS LIVE -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
PARK CITY, UT - JANUARY 24: Kristen Doute and Brian Carter attend EcoLuxe Lounge at Sundance16 on January 24, 2016 in Park City, Utah. (Photo by Vivien Killilea/Getty Images for EcoLuxe)
WATCH WHAT HAPPENS LIVE -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
HOLLYWOOD, CA - JANUARY 08: Reality T.V. actresses Katie Maloney and Kristen Doute attend the GBK & Pilot Pen Golden Globes 2016 Luxury Lounge - Day 1 at W Hollywood on January 8, 2016 in Hollywood, California. (Photo by Tiffany Rose/Getty Images for GBK Productions)
BEVERLY HILLS, CA - NOVEMBER 20: Television personality Kristen Doute arrives at the 13th Annual Lupus LA Hollywood Bag Ladies Luncheon at The Beverly Hilton Hotel on November 20, 2015 in Beverly Hills, California. (Photo by Amanda Edwards/WireImage)
BEVERLY HILLS, CA - NOVEMBER 21: Reality TV Personality Kristen Doute attends the 23rd annual Veterans Holiday Celebration 'A Night For Heroes' on November 21, 2015 in Beverly Hills, California. (Photo by Paul Archuleta/Getty Images)
WEST HOLLYWOOD, CA - OCTOBER 28: Brian Carter and Kristen Doute attend the 'Vanderpump Rules' premiere party at The Church Key on October 28, 2015 in West Hollywood, California. (Photo by Tibrina Hobson/Getty Images)
WEST HOLLYWOOD, CA - SEPTEMBER 18: TV Personality Kristen Doute attends Kari Feinstein's Style Lounge at Sunset Marquis Hotel & Villas on September 18, 2015 in West Hollywood, California. (Photo by Rebecca Sapp/WireImage)
VANDERPUMP RULES -- Season:3 -- Pictured: (l-r) Tom Sandoval, Ariana Madix, Jax Taylor, Scheana Marie, Lisa Vanderpump, Kristen Doute, James Kennedy, Katie Maloney, Tom Schwartz -- (Photo by: Tommy Garcia/Andrew Eccles/Bravo/NBCU Photo Bank via Getty Images)
BEVERLY HILLS, CA - JULY 30: TV personalities Kristen Doute (L) and Peter Madrigal attend Katie Maloney's Pucker and Pout launch party at Frederic Fekkai Hair Salon on July 30, 2015 in Beverly Hills, California. (Photo by Chelsea Lauren/Getty Images)
SANTA MONICA, CA - JUNE 17: Kristen Doute arrives for the Tinder Plus Launch Party With Jason Derulo And ZEDD at Hangar 8 on June 17, 2015 in Santa Monica, California. (Photo by Gabriel Olsen/FilmMagic)
WEST HOLLYWOOD, CA - MAY 21: Kristen Doute attends the OK! Magazine's So Sexy event on May 21, 2015 in West Hollywood, California. (Photo by JB Lacroix/WireImage)
NEW YORK, NY - MAY 14: Tom Sandoval, Katie Maloney, Jax Taylor, Lisa Vanderpump, Kristen Doute and Scheana Marie appear during the 2015 NBCUniversal Cable Entertainment Upfront at The Jacob K. Javits Convention Center on May 14, 2015 in New York City. (Photo by Donna Ward/Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured: Kristen Doute -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
WEST HOLLYWOOD, CA - DECEMBER 09: TV personality Kristen Doute attends The Junior Hollywood Radio & Television Society 12th Annual Holiday Party at 1OAK on December 9, 2014 in West Hollywood, California. (Photo by Vincent Sandoval/Getty Images)
WEST HOLLYWOOD, CA - NOVEMBER 05: Actress Kristen Doute attends the Alexander Wang x H&M Pre-Shop Party at H&M on November 5, 2014 in West Hollywood, California. (Photo by Imeh Akpanudosen/Getty Images for H&M)
HOLLYWOOD, CA - OCTOBER 09: James Kennedy and Kristen Doute arrive at the Star Magazine Scene Stealers Event at Lure on October 9, 2014 in Hollywood, California. (Photo by Joe Scarnici/WireImage)
VANDERPUMP RULES -- Season:3 -- Pictured: Kristen Doute -- (Photo by: Tommy Garcia/Bravo/NBCU Photo Bank via Getty Images)
VANDERPUMP RULES -- 'Bachelorette Beach Party' Episode 310 -- Pictured: (l-r) Kristen Doute, James Kennedy -- (Photo by: Jeff Daly/Bravo/NBCU Photo Bank via Getty Images)
THERMAL, CA - APRIL 12: Actors Kristen Doute (L) and Jax Taylor attend Day 1 of the LACOSTE Beautiful Desert Pool Party on April 12, 2014 in Thermal, California. (Photo by Chris Weeks/Getty Images for LACOSTE)
BEVERLY HILLS, CA - MARCH 16: Kristen Doute attends the Queen Of The Universe International Beauty Pageant hosted at the Saban Theatre on March 16, 2014 in Beverly Hills, California. (Photo by Jennifer Lourie/FilmMagic)
HOLLYWOOD, CA - OCTOBER 23: (L-R) Tom Sandoval, Kristen Doute, Lisa Vanderpump, Stassi Schroeder, Katie Maloney, Scheana Marie and Jax Taylor attend the 'The Real Housewives of Beverly Hills' and 'Vanderpump Rules' premiere party at Boulevard3 on October 23, 2013 in Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
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Between her jet lag, missing her boyfriend and simply being overwhelmed by the whole experience, Kristen decided that she had "had enough."

"I was crying and yelling and was like, 'I just want to go home,'" she recalled. "And my friends weren’t making me feel any better about it: They weren’t there to comfort me and they were just like, 'Get over it!' Then they left me. They literally got in a car and went to the airport. I was supposed to go to Paris. The Airbnb in Paris was under my name. I was like, 'Should I cancel their Airbnb?' But I’m not that big of an a-hole. It ended up working out, and I started talking to Stassi again, like, two weeks later and probably didn’t talk to Katie for over a month." 

Ever since making up, though, Kristen and Stassi's friendship "is the best it's ever been." As Kristen explained to us, they've learned over the years to let things go -- something that took growing up, more self-awareness and, in Kristen's words, "not being such a brat about everything."

"Now, we're able to say that what Stassi and Katie and I need out of a friendship is different," she told AOL Entertainment. "You start treating friendships individually rather than thinking that you are going to treat everyone the exact same way. Everyone says that Katie, Stassi and I share a brain, right? The 'Three Witches of WeHo,' which, yeah, we’re best friends, but we all handle things very, very differently."

"Vanderpump Rules" airs on Bravo at 10 p.m. EST on Mondays.

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