Rumer Willis Says It’s ‘Such A Delight’ to See Grandpa Bruce Willis and Yaya Demi Moore Bond with Daughter Louetta (Exclusive)

Rumer Willis is filled with “delight” when she sees her daughter interacting with her grandparents.

While speaking with PEOPLE about her new Chief Creative Officer role and partnership with Sereniby, a wellness technology startup focused on air quality for babies and young children, the Dancing with the Stars alum, 36, opens up about the relationship her daughter Louetta, 2, has with Grandpa Bruce Willis and Yaya Demi Moore.

“My mom, she’s Yaya to Lou. She’s the one who brought in the contraband of Moana and Disney because I was like, ‘We don’t watch TV in this house. We don’t ever. Not until she’s 5.’ And then I went over and Moana was on. I was like, ‘Come on!’ ” she tells PEOPLE. “But they love each other. I mean, you should see her face light up when they’re on FaceTime when we’re away.”

“She just gets so excited and it’s sweet, and my mom is so incredible with babies. She always has been, and so it’s such a delight to see them together,” she continues. “They’re so silly and wonderful.”

Despite the Die Hard star, 70, being diagnosed with frontotemporal dementia in 2022, Willis says her dad doesn’t miss a moment with his granddaughter. In fact, she tells PEOPLE the proud grandpa “gets so excited” when he sees the little one.

“Even with my dad, given the challenges that he’s dealing with, whenever we go over there to visit, his face just lights up and he gets so excited and is so sweet with her,” she says. “My family is so incredible with her. I feel so lucky, and she’s so lucky. I mean, they are obsessed with her.”

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Since becoming a mother to Louetta in April 2023, Willis tells PEOPLE that her appreciation for her own mother has deepened.

“My appreciation for my mom, has always been there, but I think inherently [and] inevitably, it has to just deepen. And I also think the way that you love your child just reminds you, ‘Oh wow, my mom, that’s how she loves me,’ ” she says, referring to her relationship with Moore, 62. “I think it’s just made us so much closer.”

“Watching Louetta get hurt, whether she’s sick or going through an emotional, is one of the most excruciating things,” she adds, saying motherhood has made her look back at the times in her own life where she’s been hurting and imagine how her mother felt watching her go through it. “I just have such appreciation and deep love, and I think it’s made us so much closer in a way that’s been so beautiful.”

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Over the last two years, Willis has learned a lot about herself through motherhood. She shares that in terms of parenting, people “always go in with the best of intentions and best laid plans,” but now understands that perfect parenting is “impossible to a certain level.”

“Everything is a negotiation. I think in parenting, it’s like, ‘how can I do the best that I can do?’ ” she says. “I get so emotional when I talk about her because there’s nothing I wouldn’t do for her.”

“What [everything going on in the world] has really done for me actually is focus on how I care for myself because how I care for myself is how she will learn to care for herself, and that is a huge one for me,” she adds. “Sometimes as parents and just as people in general, we really race past that. And that trope about putting your oxygen mask on first in parenting is so vital.”