From swapping roles to swapping bras,Ariana DeBoseandRita Morenodo it all!

Afterstarring together in the 2021 film adaptationof the iconic musicalWest Side Story, the pair became so close that DeBose, 31, happily lent her bra to the 90-year-old Moreno when she was in need at a photoshoot.

“We did a photoshoot, I believe it was for theHollywood Reporter, and she needed a bra, and she really liked mine. And she said, ‘You know, I’m a 34B.’ And I said, ‘You know, so am I.’ So I gave her my bra,” DeBose tells PEOPLE on the Screen Actors Guild red carpet, with a laugh. “It was great.”

And when PEOPLE’s red carpet correspondent Jeremy Parsons asked if Moreno gave the bra back, DeBose —wearing a custom strapless Valentino gown— said she refused to allow it.

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Rita Moreno and Ariana DeBose.Jamie McCarthy/Getty

Ariana DeBose and Rita Moreno

DeBose said that Moreno has become a true mentor to her ever since shetook on the role of dreamer Anitain the new adaptation, which had beenMoreno’s role in the 1961 film version.

“From my perspective she’s been nothing but grace and love and support, and I think that’s really beautiful, especially a generational mentorship relationship like this, in this industry, in Hollywood,” DeBose said. “I won’t say it doesn’t happen often, but to have it be a wonderful experience and be so public at the same time — she is incredible both in front of the camera and off and I’m really grateful.”

And Moreno has shared the same love for her costar, previously tellingParadethat DeBose is “marvelous. She’s a ferocious dancer, way better than I was.”

Ariana DeBose.Frazer Harrison/Getty

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DeBose — who already won a Golden Globe for her performance inWest Side Storyand is also nominated for an Academy Award — saidthe role has been life-changing, and she’s enjoying the chance to celebrate it at theSAG Awards.

“I’m just in celebratory mode,” she said. “I’ve got a constant loop of Doja Cat in my head!”

source: people.com