"A World to Believe In" (Japanese: あなたがいる限り, Hepburn: Anata ga Iru Kagiri, "As Long as You are with Me") is a song recorded by Canadian singer Celine Dion, taken from her tenth English-language studio album, Taking Chances (2007). It was written by Tino Izzo and Rosanna Ciciola, and produced by the Grammy-winning producer, John Shanks. Re-recorded as a duet with the Japanese singer Yuna Ito, it was released as the second single in Japan from Taking Chances on 16 January 2008, and also as the lead single from Dion's Japanese greatest hits album, Complete Best (2008). The duet version was also included on Ito's album, Wish (2008). The song reached number three on the Billboard Japan Hot 100 and number eight on the Oricon Singles Chart.