Taylor Swift surprised fans with an unexpected appearance at the Hollywood premiere of Toy Story 5. The global pop star took the stage at the Dolby Theatre, where she sat at a piano in a full-length gown and performed “I Knew It, I Knew You,” a song she wrote for the upcoming animated film. Swift also revealed that she has been a longtime fan of the beloved Toy Story franchise, making her appearance one of the biggest talking points from the star-studded premiere.