These sisters are a few years apart, but thanks to 'Frozen' creator, Jennifer Lee, fans have a pretty good idea of Anna and Elsa's birthdays and zodiac signs.

The first trailer for the upcoming short Frozen Fever is finally here, and it shows Olaf and Elsa celebrating Anna's birthday -- watch now!

She even recruited a friend to dress up as Elsa’s younger sister, Anna, and the two make appearances at schools and birthday parties: Here they are singing Let It Go, obviously: ...

There is a theory that connects the events of 2010's Tangled and 2013's Frozen, which suggests Anna and Elsa are related to Rapunzel. Here is how.

Everything to Know About ‘Frozen 2’ 'Frozen 2' is set to hit theaters in November in all its snowy yet mysterious glory. Here's what to know before the sequel gets to the big screen.

‘Frozen’ sisters Anna and Elsa are featured in the daily ‘Festival of Fantasy’ parade at Magic Kingdom. (Matt Stroshane/Wald Disney Co.) ...

A local woman, Anna Faith, and her sister Lexie talk about what is was like gaining thousands of web followers as Anna and Elsa look-a-likes. The characters are from the hit animated Disney movie ...

The new short film watches as Elsa and Kristoff team up together to give Anna the best birthday celebration ever, but when Elsa catches a cold, her powers may put more than just the party at risk ...

'Frozen Fever takes place just a few months since we last saw the gang, it's actually Anna's birthday but Elsa is complicating things,' explained directors Chris and Jennifer.