Moore, 61, shot the film with directorCoralie Fargeatand co-leadMargaret Qualleyin Paris in 2022.

“Wed hit the weekends and, both of us, did we go out anywhere?

We didnt do anything,” Moore says of the grueling shoot.

Demi Moore with her dog, Pilaf

Demi Moore and her dog, Pilaf.Jeff Spicer/Getty

It was difficult."

Something thathasmoved in recent months, however, is Pilaf’s celebrity profile.

“She’s like my little friend, my partner, my little travel mate,” Moore said.

Demi Moore (The Substance) photographed in the PEOPLE, EW and Shutterstock Toronto International Film Festival 2024 Portrait Studio on September 7, 2024 in Toronto, Ontario, Canada.

Demi Moore and her dog Pilaf at the 2024 Toronto International Film Festival.Ben Trivett/Shutterstock

“And she’s just a joy.

I usually have her in a little sling.

We go everywhere together.

She’s been to the French Open and the Louvre.

She’s been to Broadway shows.

She recently saw Tom Holland inRomeo & Julietin London.

She was quite moved.

She thought the performance was extraordinary, as it was.”

The Substanceis in theaters now.