Frozen is now available to own on Blu-ray & Digital HD. In this clip from Disney's "Frozen," Elsa, whose secret powers have just been revealed, flees Arendelle and unleashes her magic, creating a breathtaking ice palace. Performed by the voice of Elsa, Idina Menzel, "Let It Go" is an original song by Kristen Anderson-Lopez and Tony Award®-winner Robert Lopez.