She may be one of the world’s fastest rising music superstars but when it comes to that other new job of hers — as an actress making her Hollywood debut on the third season of Euphoria — Rosalía admits that she’s just “trying to not forget my lines.”

During an interview on the Met Gala carpet on Monday night, Rosalía told Vogue live stream co-hosts Teyana Taylor and Ego Nwodim that the foray has been educational thus far. “It’s my first job. I’m learning. I’m figuring it out,” she said while standing next to designer Olivier Rousteing, who designed her form-fitting creation for fashion’s biggest night. “It’s been very inspiring to be with these amazing actors. It’s great.”

The interview comes hot on the heels of photos and videos that surfaced from the set showing Rosalía in an embellished neck brace riding in a...