"Irreplaceable" is a song recorded by American R&B singer Beyoncé for her second studio album, B'Day (2006). The song was written by Beyoncé, Shaffer "Ne-Yo" Smith, Tor Erik Hermansen, Mikkel S. Eriksen, Espen Lind, Amund Bjørklund, and produced by Stargate and Beyoncé herself. Originally not created for Beyoncé, it was initially presented as a country record. "Irreplaceable" then was turned into a mid-tempo pop ballad with R&B influences. Lyrically .