Who knows what’s going on with Frozen 2 - Idina Menzel certainly doesn’t - but that doesn’t mean we won’t see Anna (Kristen Bell) and Elsa (Menzel) on the big screen again.  In fact, Walt Disney Studios just announced that the upcoming Frozen short film, Frozen Fever, will hit theaters with Cinderella on March 13, 2015.

Frozen directors Chris Buck and Jennifer Lee returned to helm Frozen Fever, which focuses on Elsa and Kristoff’s (Jonathan Groff) attempt to throw Anna the best birthday party ever.  The piece will also feature a brand new original song by Robert Lopez and Kristen Anderson-Lopez.  Hit the jump for more on the release of Frozen Fever.

Here’s the official announcement:

RELEASE PLANS REVEALED: NEW SHORT “FROZEN FEVER” TO OPEN IN THEATERS IN FRONT OF “CINDERELLA” ON MARCH 13, 2015

Walt Disney Animation Studios’ all-new short “Frozen Fever,” which welcomes Anna, Elsa, Kristoff and Olaf back to the big screen, will open in theaters onMarch 13, 2015, in front of Disney’s “Cinderella,” a live-action feature inspired by the classic fairy tale.

Directed by Chris Buck and Jennifer Lee, and produced by Peter Del Vecho and Aimee Scribner, with an all-new original song by Robert Lopez and Kristen Anderson-Lopez, “Frozen Fever” marks the first project reuniting the Oscar®-winning original team from Disney’s “Frozen.”

In “Frozen Fever,” it's Anna's birthday and 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.