It’s the song that has been stuck in everyone’s head all summer, but Sabrina Carpenter has finally revealed how she created her hit song Espresso. Sabrina Carpenter has well and truly taken off. While she’s been in the Hollywood business from when she was 16, acting on Disney Channel’s Girl Meets World, her music career was always what she wanted to focus on. This last year has been hugely successful for the star, as after her hit song Nonsense went viral on social media, she gained a huge new following. That increased even more when she opened for Taylor Swift on the iconic Eras Tour, and a y…