Billboard takes you inside the 'Toy Story 5' world premiere, where Taylor Swift's "I Knew It, I Knew You" live debut was just part of the story.

Taylor Swift attended the 'Toy Story 5' world premiere in support of her new soundtrack song 'I Knew It, I Knew You.'

The superstar, who wrote original song "I Knew It, I Knew You" for the new movie, walked the carpet on Tuesday night in L.A.

‘It means the world to me to be a small part of these films,’ said Swift

La cantante debutó con el tema inspirado en el “I Knew It, I Knew You”