"You're My Number One" (known as You're My #1) is a song by singers Enrique Iglesias, taken from his first English album and fourth studio album Enrique. This is the fourth single released by the singer, after the successes of Be with You. The song received many positive reviews and welcomed all over the world, which split into 3 versions from different territories: with Valen Hsu for the Asian market, with Sandy & Junior for the South America market, and with Alsou for the Eastern Europe market.