Selena Gomez found singing in ‘Emilia Perez’ to be a “therapeutic” experience. The 32-year-old actress stars alongside Zoe Saldana and Karla Sofía Gascon in the crime-comedy film, and Selena has revealed that she relished the challenge of singing ‘Mi Camino’ in the movie. The brunette beauty – who plays Jessi Del Monte in the film – said at the Telluride Film Festival: “It was actually a totally different song. “It had a bit more of a rough sound to it and over the course of, you know, working with [singer-songwriter] Camille on the song intimately, it became almost like a ballad. “It was more…