EXCLUSIVE: Nikki Bella dishes on her & John Cena's real-life 'red room' ahead of 'DWTS' guilty pleasures night

Nikki Bella is sharing intimate secrets about life at home with John Cena.

ET caught up with the WWE wrestler during one of her rehearsals for Dancing With the Stars on Thursday, where she opened up about the "sexy" red room her fiancé designed for her.

"A red room is not -- for me, it's not this crazy uncomfortable thing," said Nikki Bella, who will be dancing the Viennese Waltz to Rihanna's "Love on the Brain" with partner Artem Chigvintsev during the dance competition show's "Guilty Pleasures"-themed night in the ballroom on Monday. "I think some people feel guilty, and it's pleasure [at the same time]. So, put it together and that's my guilty pleasure."

"[It's] a real red room," she continued. "[John] really built me a beautiful red room. It's been featured on Total Bellas. The walls are like beautiful red velvet walls. Actually, the door going into it looks like a door from a castle. It's pretty insane. It has fur rugs, candles, chandelier. A lot of drawers."

The 33-year-old athlete continued on, telling ET that when it comes time to "play," there's "no rules" in their home. It doesn't just go down in the red room!

"We can go anywhere we want," she said, laughing. "But you can watch the Super Bowl in [the red room], too. We have a TV."

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John Cena and Nikki Bella together
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John Cena and Nikki Bella together
John Cena proposes to Nikki Bella during WrestleMania 33 on Sunday, April 2, 2017 at Camping World Stadium in Orlando, Fla. (Stephen M. Dowell/Orlando Sentinel/TNS via Getty Images)
John Cena proposes to Nikki Bella during WrestleMania 33 on Sunday, April 2, 2017 at Camping World Stadium in Orlando, Fla. (Stephen M. Dowell/Orlando Sentinel/TNS via Getty Images)
AUSTIN, TX - MARCH 13: Professional wrestlers John Cena and Nikki Bella attend 'Featured Speaker: John Cena' during 2017 SXSW Conference and Festivals at Austin Convention Center on March 13, 2017 in Austin, Texas. (Photo by Katrina Barber/Getty Images for SXSW)
LOS ANGELES, CA - MARCH 11: John Cena, Nikki Bella arrives at the Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - MARCH 11: Host John Cena (L) and professional wrestler Nikki Bella speak onstage at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Frazer Harrison/KCA2017/Getty Images for Nickelodeon)
LOS ANGELES, CA - MARCH 11: John Cena, Nikki Bella arrives at the Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
John Cena and Nikki Bella on stage at the 30th Annual Nickelodeon Kids' Choice Awards, March 11, 2017, at the Galen Center on the University of Southern California campus in Los Angeles. / AFP PHOTO / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
LOS ANGELES, CA - MARCH 11: Nikki Bella (L) and Host John Cena backstage at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Alberto Rodriguez/KCA2017/Getty Images for Nickelodeon)
LOS ANGELES, CA - MARCH 11: Host John Cena (L) and professional wrestler Nikki Bella speak onstage at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
LOS ANGELES, CA - MARCH 11: Professional wrestlers John Cena (L) and Nikki Bella at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)
LOS ANGELES, CA - JULY 13: John Cena and Nikki Bella arrive at The 2016 ESPYS at Microsoft Theater on July 13, 2016 in Los Angeles, California. (Photo by Gregg DeGuire/WireImage)
NEW YORK, NY - MAY 16: John Cena and Nikki Bella attend the 2016 Fox Upfront at Wollman Rink, Central Park on May 16, 2016 in New York City. (Photo by Noam Galai/WireImage)
INGLEWOOD, CA - JULY 31: Host John Cena (L) and WWE Diva Nikki Bella attend Teen Choice Awards 2016 at The Forum on July 31, 2016 in Inglewood, California. (Photo by Kevin Mazur/Fox/Getty Images for Fox)
NEW YORK, NY - MAY 16:Nikki Bella, John Cena, Brie Bella at the NBC Universal Upfronts on May 16, 2016 at Rockefeller Center in New York City. (Photo by Steve Sands/Getty Images)
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"When I had all my family there for Total Bellas season one, we put away some of the furniture and made it more of like an after drinks lounge," she added, "Because the furniture, everything is just so pretty, the woodwork, and then when everyone left, we put the furniture back in and some of the pieces, yeah. I think all couples need to do that. Explore each other right? Am I allowed to say that?"

Another one of Nikki Bella's guilty pleasures? Sexy romance novels!

"I love them," she gushed. "I'm not too into Fabio style. I would rather have a Viiking steal me on a boat and watch him fight and then come back on and take me away. That's hot. I like it when he gets super manly."

As we patiently wait to see what type of moves Nikki Bella will surprise us with next when DWTS returns to ABC Monday at 8 p.m. ET/PT, watch the video below to hear what John thought of her steamy samba with Artem during the show's Latin Night.

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John Cena and Nikki Bella smooch on red carpet
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John Cena and Nikki Bella smooch on red carpet
LOS ANGELES, CA - MAY 07: Professional wrestlers John Cena (L) and Nikki Bella pose in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by C Flanigan/Getty Images)
LOS ANGELES, CA - MAY 07: John Cena and Nikki Bella pose in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - MAY 07: John Cena and Nikki Bella pose in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - MAY 07: Professional wrestlers John Cena (L) and Nikki Bella pose in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by C Flanigan/Getty Images)
LOS ANGELES, CA - MAY 07: Professional wrestlers John Cena (L) and Nikki Bella pose in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by C Flanigan/Getty Images)
LOS ANGELES, CA - MAY 07: Actor John Cena and Nikki Bella pose in the press room during the 2017 MTV Movie And TV Awards at The Shrine Auditorium (Photo by Frank Trapper/Corbis via Getty Images)
LOS ANGELES, CA - MAY 07: Professional wrestlers John Cena (L) and Nikki Bella pose in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by C Flanigan/Getty Images)
LOS ANGELES, CA - MAY 07: Actor John Cena and Nikki Bella pose in the press room during the 2017 MTV Movie And TV Awards at The Shrine Auditorium (Photo by Frank Trapper/Corbis via Getty Images)
LOS ANGELES, CA - MAY 07: Professional wrestlers John Cena (L) and Nikki Bella poses in the press room at the 2017 MTV Movie and TV Awards at The Shrine Auditorium on May 7, 2017 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
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