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 pop 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 Disney Channel, the latter promoting the home release of the film. The song charting at number seventeen on the Billboard Hot 100, sixty-four in the Australian Singles Chart, sixty-seven in the Canadian Hot 100, and 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 23, 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 United States chart, the Billboard Hot 100.
"Crazier" received exclusive airplay on Radio Disney. The song made its debut on the Billboard Hot 100 at number seventy-two on the week ending April 11, 2009. "Crazier" rose three spots to number sixty-nine in the following week, but jumped to number thirty-eight on the week ending April 25, 2009 due to an 87 percent increase in digital downloads. For the week of Saturday,May 2, 2009, the song reached its peak on the Hot 100 at number seventeen, selling 110,000 downloads. It also peaked at number twenty-eight on the Pop 100 chart. As of November 2014, Crazier has sold one million copies in the USA.
As the song was not officially released to radio as a single, digital sales also accounted for "Crazier"'s appearance on international charts. The song debuted at number seventy-nine on the week ending April 11, 2009. For the week ending May 2, 2009, it reached number thirty on Hot Canadian Digital Singles and number sixty-three on the Canadian Hot 100. "Crazier" reached number fifty-seven on the Australian Singles Chart. The song debuted and peaked at number one-hundred in the UK Singles Chart for the week ending May 16, 2009.