EXCLUSIVE: 'RHOBH' Star Kim Richards Reveals She's In 'Such A Good Place' at Season 7 Premiere

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Kim Richards is so happy, she's glowing!

ET's Brice Sander caught up with the Real Housewives of Beverly Hills star at the show's seventh season premiere at the Sofitel Hotel in Beverly Hills on Friday. While she didn't expect the persistent drama between her and castmate Lisa Rinna to "go down the road it went," Richards admitted that she's enjoying being back on the show with her sister.

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"I'm in such a good place," Richards told ET. "You know, I'm so happy... I had fun with my sister. We're in an amazing place this year."

But the real joy in Richards' life has been the birth of her first grandchild, Hucksley, whom daughter Brooke Wiedenhorn gave birth to in September.

"I'm loving being a grandma," she gushed. "It's like one of the best things that's happened to me since my kids were born, maybe even -- I can't even say it's better because I'm still enjoying my kids as much as the day they were born. So, now to enjoy Hucksley like this is just an amazing extra gift for me."

Richards, whose public battle with substance abuse was a factor in her departure as a main cast member of  Real Housewives after season five, said she is now "100 percent" in a good place.

"I have to say, I go to sleep happy, I wake up happy. I get to spend a lot of time with my kids and a lot of time with my grandson. I really am the happiest -- I want to say ever, but I can’t take that away from my children. But I just have this new baby now to love, too, and [I'm] in such a good place with my sisters as well," she said.

"Christmas is going to be the best ever, you know?" she added. "So, this is amazing."

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For her part, Kyle Richards is just as happy to have her sister around, telling ET at the same event that she couldn't do the show without her. "It would feel very strange not to have her be a part of it, absolutely,” she said. “We started it together and we were the first ones on the show, so it [would] just feel weird. I don't think I could."

Meanwhile, the sisters' RHOBH co-star Camille Grammer, gave ET a tour of her palatial new mansion last month. Check out the ritzy digs in the video below. 

Real Housewives of Beverly Hills airs Tuesdays on Bravo.