Winter is coming … back. 
 
 Walt Disney Animation Studios is returning to the world of Frozen by featuring Anna, Elsa, Kristoff, and the warmth-craving snowman Olaf in a new short film. 
 
 Frozen Fever, due in Spring 2015, will take place on Anna’s birthday as Kristoff the reindeer-preferring ice-gatherer and the mystical, chill-inducing Elsa try to stage a royal celebration. Although Elsa’s icy powers are no longer a secret in the kingdom, her control of them is still a bit iffy. (Let’s just hope they decided to go with an ice cream cake.) 
 
 The short will reunite the key forces from the original film: directors Chris Buck and Jennifer Lee, as well as producer Peter Del Vecho, and Oscar-winning “Let It Go” songwriters Robert Lopez and Kristen Anderson-Lopez. 
 
 The film, which also won the Academy Award for animated feature last year, has been a staggering success — earning $1.27 billion worldwide to rank as the most successful animated film of all time. (And that doesn’t count the oodles of money made off the merchandizing.) 
 
 The characters are so popular that Disney-owned ABC is adding a live-action character based on Elsa to its fairy-tale themed drama Once Upon a Time when the new season begins Sept. 28. In further synergy news, the short was announced Tuesday evening as part of a behind-the-scenes documentary about Frozen that aired on the network. 
 
 The studio didn’t specify which feature film in 2015 Frozen Fever may accompany, but a likely candidate is the live-action Cinderella film, slated for March 13, starring Cate Blanchett as the wicked stepmother and Lily James as the glass-slipper wearing heroine. 
 
 Olaf, however, must be sorely disappointed to not get a release date in summer. 

 Courtesy of ABC 
 
 It’s finally happened, ‘Once Upon A Time’ fans — the first photo of sisters Anna and Elsa from ‘Frozen’ has been released. Check it out! 
 
 Nothing has done a better job to revive interest in Once Upon A Time‘s upcoming fourth season than the introduction of a whole new cast of characters from Disney’s smash hit Frozen. While tons of photos have been released of Georgina Haig in her role as Queen Elsa, and even a few of Scott Michael Foster as Kristoff, we have yet to see Elizabeth Lail as Princess Anna. Well, the wait is over. Check out the first still from the OUAT set of the royal sisters of Arendelle! 
 
 Anna & Elsa From ‘Frozen’ On ‘Once Upon A Time’ — See The Sisters Together In First Look Pic 
 
 Pretty uncanny, right? The casting for the characters from Frozen may just be OUAT‘s best yet, as far as resemblances go. (Although where’s Kristoff’s long, shaggy hair? Details, details.) 
 
 We’ll just have to wait until Season 4 premieres on September 28 to see if the newest arrivals in Storybrooke can act the part as well as look it, but we’re pretty confident that Disney wouldn’t have left the characters from their highest-grossing animated feature ever in the hands of amateurs. 
 
 Anna From ‘Frozen’ On ‘Once Upon A Time’: Is She Getting Married To Kristoff? 
 
 However, this first look of Anna and Elsa is not the true first look for those lucky enough to have attended the Once Upon A Time panel at Comic-Con on July 25. Those attendees got to see a brief clip of Anna and Elsa in action: “The clip opens with Frozen‘s Anna and Elsa putting flowers on their parents’ gravestones, with Elsa telling her sister, ‘Anna, they would be so proud of you,'” according to The Hollywood Reporter. 
 
 “But that’s not all, Elsa breaks the news that she has a surprise for Anna, but not just any surprise — it’s for her wedding.” 
 
 Is Anna getting married to Kristoff?! And so soon? THR reports that the Frozen storyline on OUAT will pick after the events of the animated feature — didn’t Anna learn her lesson about falling in love too quickly and about the importance of clear-headed decision-making?! She nearly died the first time! Oh, Anna, still so naïve. 
 
 Also cast from Frozen is Tyler Jacob Moore as the evil Prince Hans, and John Rhys-Davies will voice the grandpa rock troll Pabbie. (And yet the OUAT showrunners laughed at the idea of a CGI Olaf!) 
 
 So, HollywoodLifers, what do you think about the casting of Anna and Elsa? Is the resemblance uncanny or what? Do you think they’ll do a good job, or do you need to wait and see? Let us know! 
 
 — Amanda Michelle Steiner 
 
 Follow @AmandaMichl 
 
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– Can't get enough of Disney's Frozen? You're in luck. Your favorite characters from the most successful animated feature ever will return in a new short, Frozen Fever, airing sometime next spring. Once again Elsa's icy powers will wreak havoc, this time at Anna's birthday party, with Kristoff and Olaf along for the ride, Variety reports. There will be a new song, too, from the people that brought you the Oscar-winning tune "Let It Go." It isn't clear how the short will air, but Entertainment Weekly suggests it may accompany the live-action flick Cinderella, due out March 13. Too long to wait? Characters based on Elsa, Anna, and Kristoff will debut on ABC's TV drama Once Upon a Time this season, Hollywood Life reports.