On Sunday, the 48-year-old actress caught up with PEOPLE on the 73rd PrimetimeEmmy Awardsred carpet where she revealed that her kids occasionally get embarrassed when they see her rehearsing at home for the Disney+ series.

“Is this a character that you just have fun going around your house and falling into?” PEOPLE’s Jeremy Parson’s asks Hahn of her playing the role as nosy neighbor Agnes/villainous witch Agatha Harkness.

“It would be really fun — my kids would just be making constant fun,” Hahn says of her two kids Leonard, 14, and Mae, 12, whom she shares with husband Ethan Sandler.

“Like my kid walked in one time while I was practicing my witch moves and he was like, ‘Oh my God, Mom!’ Like it was as if he just saw me just getting out of the shower,” she adds with a laugh. “He was so embarrassed.”

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73rd Primetime Emmy Awards - Arrivals

Though Hahn says her son thinks her Marvel character is “a little cool,” the actress says he “just can’t let me see it.”

“He’s a teenager,” adds the star, who is nominated Sunday for outstanding supporting actress in a limited series or a movie for herWandaVisionrole.

“No one can really admit to their mom that they’re cool, which I understand and respect, but they definitely were a little bit, I would just say,suspiciouslynicer to me these days,” said Hahn. “So I feel like I’m going to take that as a huge compliment. They’re definitely proud for sure.”

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And according to Hahn, tuning into the hit series — which followsElizabeth Olsen’s Wanda Maximoff andPaul Bettany’s Vision in the mysterious town of Westview — became a family affair for the actress and her clan.

“We got to watch it together, which was something that they have not really been able to do much with mom’s work,” she told Rubenstein. “But we were able to watch it weekly, which was so fun.”

source: people.com