Frozen short film to debut ahead of Disney's Cinderella
The follow-up to Disney's Frozen will be screened ahead of Kenneth Branagh's live-action Cinderella in March 2015.
Frozen Fever, a one-off short film, will once again feature Anna, Elsa, Kristoff and Olaf the snowman.
Frozen is the biggest animated feature of all time, making more than £800m at the worldwide box office.
The original team behind Frozen Fever will reunite, including directors Chris Buck and Jennifer Lee,
The plot will see Elsa's icy powers threaten to overshadow her sister Anna's birthday party.
The short will also feature a new original song by Robert Lopez and Kristen Anderson-Lopez.
Voice actors Kristen Bell (Anna), Idina Menzel (Elsa), Jonathan Groff (Kristoff) and Josh Gad (Olaf) will to return to their Frozen roles in the short.
Frozen has become the fifth highest-grossing film in box office history and won two Oscars, for best animated feature and best original song for Let It Go.
The movie, which was released in November 2013, has taken $1.27bn (£809m) worldwide, overtaking Iron Man 3's total haul.
It now stands behind Harry Potter and the Deathly Hallows: Part 2, with $1.34bn (£853m) in global ticket sales.
The animated hit has sold more than three million copies on DVD/Blu-ray and is on track to become the biggest seller of the decade, according to the Official Charts Company.
Cinderella stars Lily James Cate Blanchett, Richard Madden, Derek Jacobi and Helena Bonham Carter.
Disney announced the film in 2010 following the success of its live-action version of Alice in Wonderland, directed by Tim Burton.