"Let It Go '' is a song from Disney 's 2013 animated feature film Frozen, whose music and lyrics were composed by husband - and - wife songwriting team Kristen Anderson - Lopez and Robert Lopez. The song was performed in its original show - tune version in the film by American actress and singer Idina Menzel in her vocal role as Queen Elsa. Anderson - Lopez and Lopez also composed a simplified pop version (with shorter lyrics and background chorus) which was performed by actress and singer Demi Lovato over the start of the film 's closing credits. A music video was separately released for the pop version.
who sings song let it go from frozen
Idina Menzel Demi Lovato