EXCLUSIVE: Lisa Rinna Gushes Over Model Daughters Delilah and Amelia: 'They've Done Everything On Their Own'

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Lisa Rinna isn’t taking any credit for her and Harry Hamlin’s daughters’ success in the modeling world.

“I didn't do anything to help them do anything, to be honest,” Rinna admits. “They've done everything on their own. They work very hard.”

WATCH: Delilah Belle Hamlin on Staying Grounded

Both Delilah Belle, 18, and Amelia Gray Hamlin, 15, have made strides in the world of fashion, with Delilah landing a Teen Vogue spread and walking in a Tommy Hilfiger show earlier this year. Amelia is just dipping her toes into the fashion world.

“How can you hold down a 15-year-old who is 5'9" and a half, gorgeous, and with a mind and will of her own?” Rinna jokes. “I'm just gonna sit back and watch.”

As with everything in Rinna’s life, the girls’ modeling careers will pop up some on The Real Housewives of Beverly Hills’ new season, airing Tuesday nights at 9 p.m. ET on Bravo.

“It has been [a whirlwind], and it's been really exciting,” the star gushes. “Harry and Delilah were just in Australia, and Amelia and I were just in Paris, so we have this life all of a sudden that has really become quite amazing. It always is. We're so blessed.”

WATCH: Lisa Rinna Flaunts Her Figure in Bikini, Says She 'F**king Owns' Being 53

Speaking of Hamlin, Rinna let us in on the secret to their 20-year marriage: “respect.”

“If I were to say anything, it’s respect,” she says.

For more on Rinna and what’s to come this season on The Real Housewives, check out the video below.