"Crazier" is a song by American recording artist Taylor Swift. The song was written by Swift and Robert Ellis Orrall and produced by Nathan Chapman with Swift's aid. The song was featured in both the 2009 film Hannah Montana: The Movie and on its soundtrack. The song is a relaxed ballad with country qualities and lyrics that describe being in love. Swift performed the song as herself during a cameo in the Hannah Montana: The Movie; this scene was taken from the film and released as a music video for "Crazier". The song was premiered on Radio Disney and the Disney Channel, the latter promoting the home release of the film. The song charted at number seventeen on the Billboard Hot 100 in the United States, sixty-four in the Australian Singles Chart, sixty-seven in the Canadian Hot 100, and at number one-hundred on the UK Singles Chart.
"Crazier" was praised by critics, many of whom named it the best song on the soundtrack. Digital downloads began immediately after the soundtrack's release on March 20, 2009, and led to commercial success in Australia, Canada, the United Kingdom, and the United States. Its highest international peak was at number seventeen on the Billboard Hot 100 chart in the United States.