"Shake It Off" is a song by American singer Mariah Carey for her tenth studio album, The Emancipation of Mimi (2005). It was written by Carey along with Jermaine Dupri, Bryan-Michael Cox, and Johntá Austin, and produced by the former three. The song was serviced to radio on July 11, 2005, by Island and Mercury Records as the album's third single...