Frozen is a 2013 animated musical fantasy film directed by Chris Buck and Jennifer Lee. It tells the story of two princess sisters, Anna and Elsa, whose kingdom is set in an eternal winter after Elsa's ice powers are revealed. The film features the voices of Kristen Bell as Anna and Idina Menzel as Elsa, and includes popular songs like "Let It Go". Reviews praised the film for subverting fairytale tropes and having an empowering message about the power of love.