Directed by Chris Buck and Jennifer Lee, the 3D Disney musical defeated Pierre Coffin and Chris Renaud's long awaited "Despicable Me 2", "The Wind Rises", "Ernest & Celestine" and "The Croods" to win the Oscar.
Loosely based upon Hans Christian Andersen's "The Snow Queen", "Frozen" tells the story of princess Elsa, who due to her icy magical powers decides to lead a life of isolation from the fears of hurting her sister Anna.
But when the kingdom suffers eternal winters a determined Anna, who still loves her sister, sets off a journey by climbing through the snow-clad mountains to track Elsa down and reverse the spell.
The movie offers captivating visuals, melodious songs, and a happy ending.
"Frozen" song "Let it Go" was also nominated for the Best Original Song at the Oscars.