Disney has just announced that Frozen will be heading back to theaters sooner than expected with a new animated short aimed at convincing people to attend the live action Cinderella remake.

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.