Olaf eats Anna’s birthday cake in new trailer [Video]

The first trailer of the short undefined of Disney's 'Frozen' is here.

The sequel titled 'Frozen Fever' features  Elsa, Anna, and Olaf, preparing for Anna's birthday celebration

'Frozen Fever' is directed by Chris Buck and Jennifer Lee, and will feature original songs from "Let it Go" writers Robert Lopez and Kristen Anderson-Lopez.

'Frozen Fever' will premiere in theaters ahead of Kenneth Branagh's Cinderella on March 13.

Watch trailer.