From left Ludi Boeken, Brad Pitt, Daniella Kertesz, Mireille Enos and Marc Forster arrive at the World Premiere of 'World War Z' at the Empire Cinema in London on Sunday June 2nd, 2013. (Photo by Jon Furniss/Invision/AP Images) *** Local Caption *** 'World War Z' World Premiere.JPEG-0673d.jpg
US singer Kimberly Wyatt, left, and fashion model Max Rogers at the World premiere of World War Z in Leicester Square, London. Daniel Deme / EPA
Australian singer Iggy Azalea poses for a photo with fans before the premiere of World War Z. Daniel Deme / EPA
Members of the British rock band Lawson in Leicester Square for the premiere of World War Z. Daniel Deme / EPA
Muse attended the World premiere of World War Z. Daniel Deme / EPA
Brad Pitt, left, and Angelina Jolie at the World Premiere of World War Z. Dave M Benett / WireImage for Paramount
Brad Pitt, the star of World War Z, poses with fans ahead of the films world premiere. Dave M Benett / WireImage for Paramount
Angelina Jolie and Brad Pitt arrive at the world premiere of World War Z. Stuart C Wilson / Getty Images for Paramount Pictures International
Angelina Jolie made her first public appearance since she revealed in an article in the May 14 edition of The New York Times that she chose to undergo surgery to minimize the risk she might develop breast cancer due to the inheritance of a "faulty gene." ???
Angelina Jolie, left, was called "heroic" by her partner Brad Pitt for undergoing the surgery. Leon Neal / AFP
Angelina Jolie poses with Brad Pitt, her partner and star of World War Z, as they arrive for the world premiere of the film. Neil Hall / Reuters
Brad Pitt waves upon arrival at the Empire cinema in Leicester Square. Neil Hall / Reuters
Actress Daniella Kertesz arrives for the world premiere of her film World War Z in London. Neil Hall / Reuters
Scottish actor Peter Capaldi co-stars in World War Z. Neil Hall / Reuters