Sabrina Carpenter’s songwriter Amy Allen writes the pop music stuck in your head

Amy Allen might not yet be a household name, but her work lives in your brain rent-free. The 32-year-old songwriter has composed enduring hits with Halsey (“Without Me”), Selena Gomez (“Back to You”) and Tate McRae (“Greedy”). Other credits include songs from Olivia Rodrigo, Charli XCX, Rosé, Reneé Rapp, Shawn Mendes, Leon Bridges and Justin Timberlake.