Kim Richards opens up about her secret ‘love’ of 6 years, Wynn Katz (Exclusive)

Kim Richards is in love, and has been for more than six years!

“We just managed to keep it kind of private,” the 53-year-old tells ET of her under-the-radar romance with businessman Wynn Katz. The pair is putting their relationship on public display for the first time on the new season of WE tv’s Marriage Boot Camp: Reality Stars.

“We really wanted to see where it went,” Kim says of signing on for the show. “I mean, I think we were kind of stuck and stagnant, and I feel like doing Marriage Boot Camp would push us along, and we were stuck in a few areas ... there were a lot of areas that we just weren't really moving forward in, and so I thought this would be, this would be it, you know?”

ET caught up with both Kim and Wynn at the show’s premiere party at HYDE Sunset in Los Angeles on Tuesday night. For Wynn, this isn’t just taking a relationship public, it’s also taking himself public!

“Kim Richards and I have been together on-and-off for, like, six or seven years, and she was approached by the show and then she approached me and she said, 'Would you like to do the show?' And I said, 'No,’” he recalls. “To be honest, I said, 'No.' Then the network called, the production called and they wanted me, and I thought, I was very touched by that, and I said, 'OK.' So, here I am! In reality.”

While Wynn and Kim say viewers will have to watch and see if the show worked out for them, they both hinted that they’re still together. In fact, they were photographed being very affectionate inside the party.

Wynn Katz kisses Kim Richards at the premiere part for WE tv's 'Marriage Boot Camp: Reality Stars.'
Earl Gibson III | Getty Images for WE tv

“I love Wynn and Wynn loves me,” Kim gushes. “It wasn't something I was willing to give up on, so he was worth fighting for, you know? Our kids love each other, we love each other.”

“We're still hanging in there,” Wynn shares. “Kim is a very, very funny woman. Very funny and has a great heart, she really does. She's a family woman. There are sides of her that the public doesn't really know and that's what it is, she's very family, very warm, very loving, and funny. And funny is important.”

Marriage Boot Camp: Reality Stars marks a return to reality TV for Kim, who stepped away from Real Housewives of Beverly Hills at the end of its seventh season.

“I'm happy to be away from it,” she admits. “I stepped away, I started kind of dwindling back, and then really, when my grandson was born, I just wanted to step away from the negativity and focus on my children, my grandson, and... you know, clear, free of problems and people that weren't positive.”

Today, Kim is focused on her family. It appears that not filming a reality show with her sister, Kyle Richards, has actually strengthened their bond.

“It was touch and go for a while,” she notes. “But, I'm good with both my sisters today. I have a great relationship with both of them. Family is important and I just don't think there's any a reason for anybody or anything to get in the way of it, so we're all good.”

Kim calls right now “the happiest time in my life.”

“You're gonna make me cry,” she says, getting choked up. “Being a grandmother has definitely brought out the best part of me again. I just feel like there's nothing like it. He's changed my life.”

Kim’s eldest daughter, Brooke Wiederhorn, and her husband, Thayer, welcomed their first son -- and Kim’s first grandchild -- Huxley back in September 2016. Kim says she’s just starting to put the pressure on for more grandbabies.

“At first, there really wasn't any need to,” she explains. “Huxley has been such a joy and gift to us, there really wasn't a need to. But, I get to spend so much time with him, and the kids travel a little bit … the two of them. So, I did throw out, 'Oh, wow, guys. Napa. How magical! I wonder if something magical can happen!' And she was like, 'Mom!' I'm sorry, this was the first time I mentioned it. I am kind of hoping that soon there will be a new little boy or little girl, so... yeah, I definitely did start to mention it recently.”

The joy of baby Huxley, and the possibility of siblings for him, has also helped Kim stay committed to living a sober life.

“I really love how I feel,” she says. “But it's also, my children, my grandson and I want to be here forever. I want to be here as long as I can be, to be a part of my children's lives, my grandson, my grandchildren. And myself, you know? I'm loving life.”

Marriage Boot Camp: Reality Stars premieres Friday, Sept. 7 on WE tv.

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All of the former 'Real Housewives'

Shereé Whitfield, "Real Housewives of Atlanta" (Seasons 1-4 and 9-10)

(Photo by Virginia Sherwood/NBC/NBCU Photo Bank via Getty Images)

Phaedra Parks, "Real Housewives of Atlanta" (Seasons 3-9)

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

Michaele Salahi, "Real Housewives of D.C." (Season 1)

(Photo by Jordan Strauss/Getty Images for Bud Light)

Jeana Keough, "Real Housewives of Orange County" (Seasons 1-5)

(Credit: Alamy)

Lauri Waring Peterson, "Real Housewives of Orange County" (Seasons 1-4)

(Photo by Isabella Vosmikova/NBC/NBCU Photo Bank via Getty Images)

Jo De La Rosa, "Real Housewives of Orange County" (Seasons 1-2)

(Credit: Alamy)

Kimberly Bryant, "Real Housewives Orange County" (Season 1)

(Photo by Chris McPherson/NBC/NBCU Photo Bank via Getty Images)

Tammy Knickerbocker, "Real Housewives of Orange County" (Seasons 2-3)

(Credit: Alamy)

Quinn Fry, "Real Housewives of Orange County" (Season 3)

(Photo by Kelsey McNeal/NBC/NBCU Photo Bank via Getty Images)

Gretchen Rossi, "Real Housewives of Orange County" (Seasons 4-8)

(Credit: TLeopold/Globe Photos/ZUMA Wire/Alamy Live News)

Lynne Curtin, "Real Housewives of Orange County" (Seasons 4-5)

(Credit Image: é Nancy Kaszerman/ZUMA Press)

Alexis Bellino, "Real Housewives of Orange County" (Seasons 5-8)

(Credit Image: © Nancy Kaszerman/ZUMAPRESS.com/Alamy Live News)

Peggy Tanous, "Real Housewives of Orange County" (Season 6)

(Credit Image: é TLeopold/Globe Photos/ZUMAPRESS.com)

Lydia McLaughlin, "Real Housewives of Orange County" (Season 8, returned for season 12)

(Credit Image: © Nancy Kaszerman/ZUMAPRESS.com/Alamy Live News)

Lizzie Rovsek, "Real Housewives of Orange County" (Season 9)

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

Heather Dubrow, "Real Housewives of Orange County" (Seasons 7-11)

(Photo by: Michael Rosenthal/Bravo/NBCU Photo Bank via Getty Images)

Alec McCord, "Real Housewives of New York City" (Seasons 1-4)

(Credit Image: é Nancy Kaszerman/ZUMA Press)

Jill Zarin, "Real Housewives of New York City" (Seasons 1-4)

(Credit Image: é Nancy Kaszerman/ZUMA Press)

Kelly Bensimon, "Real Housewives of New York City" (Seasons 2-4)

(Credit Image: é Scott Kirkland/Globe Photos/ZUMAPRESS.com)

Cindy Barshop, "Real Housewives of New York City" (Season 4)

(Credit Image: © Nancy Kaszerman/ZUMAPRESS.com)

Aviva Drescher, "Real Housewives of New York City" (Seasons 5-6)

(Credit Image: © Nancy Kaszerman/ZUMAPRESS.com)

Kristen Taekman, "Real Housewives of New York City" (Seasons 6-7)

(Photo by Robin Marchant/Getty Images for Big City Moms, Inc.)

Heather Thompson, "Real Housewives of New York City" (Seasons 5-7)

(Photo by Jim Spellman/WireImage)

Jules Wainstein, "Real Housewives of New York City" (Season 8)

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

DeShawn Snow, "Real Housewives of Atlanta" (Season 1)

(Photo by Jason LaVeris/FilmMagic)

Kim Zolciak-Biermann, "Real Housewives of Atlanta" (Seasons 1-5, friend on season 10)

(Credit Image: © Nancy Kaszerman/ZUMA Press)

Lisa Wu-Hartwell, "Real Housewives of Atlanta" (Seasons 1-2)

(Credit Image: é Nancy Kaszerman/ZUMA Press)

NeNe Leakes, "Real Housewives of Atlanta" (Seasons 1-7, returned for season 10)

(Photo by Bruce Glikas/FilmMagic)

Kim Fields, "Real Housewives of Atlanta" (Season 8)

(Photo by: Mark Hill/Bravo/NBCU Photo Bank via Getty Images)

Claudia Jordon, "Real Housewives of Atlanta" (Season 7)

(Photo by Paul Archuleta/FilmMagic)

Jacqueline Laurita, "Real Housewives of New Jersey" (Seasons 1-5, 7)

(Credit Image: é Rick Mackler/Globe Photos/ZUMApress.com)

Caroline Manzo, "Real Housewives of New Jersey" (Seasons 1-5)

(Credit Image: © Nancy Kaszerman/ZUMApress.com)

Danielle Staub, "Real Housewives of New Jersey" (Seasons 1-2, returned as a friend for season 8)

(Credit Image: é Nancy Kaszerman/ZUMA Press)

Teresa Aprea, "Real Housewives of New Jersey" (Season 6)

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

Amber Marchese, "Real Housewives of New Jersey" (Season 6)

(Photo by Taylor Hill/FilmMagic)

Dina Manzo, "Real Housewives of New Jersey" (Seasons 1-2, 6)

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

Nicole Napolitano, "Real Housewives of New Jersey" (Season 6)

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

Siggy Flicker, "Real Housewives of New Jersey" (Seasons 7-8)

(Photo by: Tommy Garcia/Bravo/NBCU Photo Bank via Getty Images)

Kathy Wakile, "Real Housewives of New Jersey"(Seasons 3-5)

(Credit Image: é Mitchell Levy/Globe Photos/ZUMAPRESS.com)

Taylor Armstrong, "Real Housewives of Beverly Hills" (Seasons 1-3)

(Credit Image: é Scott Kirkland/Globe Photos/ZUMAPRESS.com)

Adrienne Maloof, "Real Housewives of Beverly Hills" (Seasons 1-3)

(Credit Image: © Brian Dowling/ZUMApress.com)

Camille Grammer, "Real Housewives of Beverly Hills" (Seasons 1-2)

(Credit Image: © Brian Dowling/ZUMApress.com)

Carlton Gebbia, "Real Housewives of Beverly Hills" (Season 4)

(Credit: TLeopold/Globe Photos/ZUMAPRESS.com/Alamy Live News)

Joyce Giraud, "Real Housewives of Beverly Hills" (Season 4)

(Credit: D. Long/Globe Photos/ZUMAPRESS.com/Alamy Live News)

Kim Richards, "Real Housewives of Beverly Hills" (Seasons 1-5)

(Credit Image: © D. Long/Globe Photos/ZUMAPRESS.com/Alamy Live News)

Kathryn Edwards, "Real Housewives of Beverly Hills" (Season 6)

(Photo by Gabriel Olsen/FilmMagic)

Yolanda Hadid, "Real Housewives of Beverly Hills" (Seasons 3-6)

(Photo by Gabriel Olsen/FilmMagic)

Brandi Glanville, "Real Housewives of Beverly Hills" (Seasons 3-5)

(Credit Image: © TLeopold/Globe Photos/ZUMAPRESS.com)

Larsa Pippen, "Real Housewives of Miami" (Season 1)

(Credit: Shutterstock)

Cristy Rice, "Real Housewives of Miami" (Season 1)

(Photo by Gustavo Caballero/Getty Images)

Lea Black, "Real Housewives of Miami" (Seasons 1-3)

(Photo by Gustavo Caballero/Getty Images)

Adriana de Moura, "Real Housewives of Miami" (Seasons 1-3)

(Photo by John Parra/WireImage)

Alexia Echevarria, "Real Housewives of Miami" (Seasons 1 & 3)

(Photo by Larry Marano/FilmMagic)

Marysol Patton, "Real Housewives of Miami (Seasons 1-2)

(Photo by John Parra/WireImage)

Lisa Hochstein, "Real Housewives of Miami" (Seasons 2-3)

(Photo by Alexander Tamargo/Getty Images)

Joanna Krupa, "Real Housewives of Miami" (Seasons 2-3)

(Photo by Gustavo Caballero/Getty Images)

Ana Quincoces, "Real Housewives of Miami" (Season 2)

(Photo by John Parra/WireImage)

Karent Sierra, "Real Housewives of Miami" (Season 2)

(Credit Image: © Javier Rojas/Prensa Internacional/ZUMAPRESS.com)

Cat Ommanney, "Real Housewives of D.C." (Season 1)

(Photo by D Dipasupil/FilmMagic)

Stacie Scott Turner, "Real Housewives of D.C." (Season 1)

(Photo by Paul Morigi/WireImage)

Katie Rost, "Real Housewives of Potomac" (Season 1)

(Photo by David Livingston/Getty Images)

Mary Amons, "Real Housewives of D.C." (Season 1)

(Photo by James Lemke Jr/WireImage)

Lynda Erkiletian, "Real Housewives of D.C." (Season 1)

(Photo by Paul Morigi/WireImage)

Tiffany Hendra, "Real Housewives of Dallas" (Season 1)

(Photo by: Michael Larsen/Bravo/NBCU Photo Bank via Getty Images)

Katie Rose, "Real Housewives of Potomac" (Season 1)

(Photo by: Tommy Garcia/Bravo/NBCU Photo Bank via Getty Images)

Charrisse Jackson-Jordan, "Real Housewives of Potomac" (Seasons 1-2)

(Photo by: Tommy Garcia/Bravo/NBCU Photo Bank via Getty Images)

Eileen Davidson, "Real Housewives of Beverly Hills" (Seasons 5-7)

(Photo by: Michael Larsen/Bravo/NBCU Photo Bank via Getty Images)

Kathryn Edwards, "Real Housewives of Beverly Hills" (Season 6)

(Photo by: Andrew Eccles/Bravo/NBCU Photo Bank via Getty Images)

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