On Anna's birthday, Elsa and Kristoff are determined to give her the best celebration ever, but Elsa's icy powers may put more than just the party at risk.
Frozen Fever is a 2015 American animated musical fantasy short film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. A follow-up to the 2013 feature film Frozen, the short follows Elsa as she attempts to throw a surprise party for her sister Anna with the help of Kristoff, Sven, and Olaf. Chris Buck and Jennifer Lee again served as the directors with Kristen Bell, Idina Menzel, Jonathan Groff, and Josh Gad reprising their roles from the film.