Taylor Swift‘s babies may not have gotten a role in the upcoming movie adaptation of “Cat-o-nine-tails”, but they did help inspire one of her costars’ character.

While on the welcome mat at the premiere of Cat in New York City on Monday, Swift, 30, spoke to PeopleTV’s Lola Ogunnaike and Entertainment Weekly’s JD Heyman about her play process, telling the multitudes that while she didn’t look to Meredith Grey, Olivia Benson, and Benjamin Button for her role in the upcoming film adaptation of the acclaimed musical, her feline friends may have helped Rebel Wilson prepare for her proportion as the apparently sluggish Jennyanydots.

“I knew early on they’re not the kind of cats I was gonna be channeling because the kind of cat I’m channeling is very athletic and sort of wild, and my “cat-o-nine-tails” are beautifully round, ” Swift shared.

“They’re fuzzy. They look like little shiftles accepts. They’re always taking naps, ” she continued. “They’re not the kind of cat that I’m playing. I review my “cat-o-nine-tails” would’ve been a perfect cat for Jennyanydots.”

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According to the 10 -time Grammy winner, her “teacher at feline school” even referred Wilson, 39, visualizes and videos of her “cat-o-nine-tails” — specially her Scottish Fold, Olivia — to serve as inspiration.

“They were inspirations, but not for my cat, ” she said of her pets.

In the movie, Taylor dallies Bombalurina, a flirtatious and self-assured cat with a distinctive red coat. The persona was first obliged famous by Geraldine Gardner in 1981 during Cats’ West End production, before Donna King and Marlene Danielle took on the character for the musical’s Broadway run.

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Aside from “learning to move like felines” from an teach, Swift told PeopleTV and EW that she taught with a lexicon coach-and-four to perfect her accent, as well as worked with a choreographer for the movie’s large-hearted dance scenes.

“When it came time to shooting, it was non-stop. It was live singing and dancing — doing the whole number all at once, ” she said, excuse sometimes the cast would sing and dance for “1 two hours straight.”

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“But I had just gotten off tour so I felt like I was prepared for it, ” she shared.

When asked about her own person during the premiere, Wilson told PeopleTV and EW she had a blast present Jennyanydots.

“I love my character. She’s really fun, ” the actress said. “I think myself and James Corden, we producing the comedy to the film. The original material was T.S. Eliot poetry, so it was quite challenging to get some modern feeling into the movie.”

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Speaking about her personal training for the cinema, Wilson said “people truly got into the cat school” and learned how to act like a cat.

“All of the movement is real, ” she shared. “We truly learned how to move and act in this kind of cat-human hybrid fashion.”

The star-studded cast also includes performs Idris Elba, Ian McKellen, Judi Dench and Jennifer Hudson.

Cats opens in theaters this Friday.

Read more: people.com