'Catching Fire' premieres in London, Jennifer Lawrence restyles her pixie [PHOTOS]

(UPI) -- Calling all citizens of Panem! Hunger Games: Catching Fire finally premiered in London, which means fans of the dystopian YA series have only 10 dates till the film hits US theaters in wide release.

We also get to check out Jennifer Lawrence's much-discussed pixie cut, which she debuted on Facebook last week but wore slicked back for the premiere. The 23-year-old Oscar winner wore Christian Dior as usual -- a backless white gown with multicolored embellishment.

Early reviews published after the world premiere were generally positive, with critics praising the onscreen presence of both Lawrence and her costar Stanley Tucci (Caesar Flickerman).

The Guardian gave Catching Fire three stars, calling Lawrence's personal likability "central to the appeal of this film and its franchise."

She's both pretty and tough, covering both the demographics this film seeks to thrill. She delivers again on the obduracy, the no-nonsenseness and shooting arrows into the heart of anything that moves. She also, however, can throw concern and sympathy into that mix and gets the biggest laughs in the film with her reaction to the sudden appearance and disrobing of a female rival in a lift.

The Telegraph was more positive, giving the film four stars and calling it " as juicy as a cut of sirloin," while "Lawrence tears through the film like a cannonball."

"As faithful as Argos or Old Yeller, Snowy or Hachiko, The Hunger Games: Catching Fire runs no risk of disappointing its absolutely ravenous target audience," The Hollywood Reporter's Todd McCarthy said of the film's adherence to its source material. "This is a safe, serviceable, carefully crafted action drama in which the subversive seeds planted in the first story take welcome root."