Disney is the parent company of ABC News. Anna wakes up to a very special birthday party hosted by big sister Elsa in "Frozen Fever." Elsa celebrates Anna's birthday by throwing a party full of ...

Although it’s never mentioned in the original Frozen, (Elsa later throws a birthday party for Anna during Frozen Fever,) fans have a pretty good idea of Elsa and Anna’s respective birthdays.

There’s even the special titled Frozen Fever, where Elsa and the gang attempt to throw Anna a birthday party. The problem is that Elsa is battling a pretty bad cold and Olaf, well, he keeps ...

The animated short finds Elsa (Idina Menzel) planning a birthday party for her sister, Anna. "Frozen Fever" will also feature a new song written by Robert Lopez and Kristen Anderson-Lopez ...

Disney princesses like Elsa and Anna face mature problems despite being young teens. Elsa was 21 in Frozen, with age becoming more aligned with responsibilities in sequels. Disney has addressed ...