Singer Katy Perry poses with the Smurfette character she voiced, at the premiere of 'The Smurfs 2' at the Regency Village theatre in Los Angeles, California
Cast member Ko Ah-sung poses for photographs during a news conference to promoting her latest movie 'Snowpiercer' at a hotel in Seoul
Hollywood actor Brad Pitt (L) and actress Angelina Jolie make an appearance before fans at the Japan premiere of Pitt's movie 'World War Z' in Tokyo
Singer Britney Spears signs autographs at the premiere of 'The Smurfs 2' at the Regency Village theatre in Los Angeles
Actor Nicolas Cage (L) and his wife Alice Kim pose at the UK Premiere of 'The Frozen Ground' at Leicester Square in London
Actress Rose Byrne poses at the premiere of 'Blue Jasmine' at the Academy of Motion Pictures Arts and Sciences in Beverly Hills, California
Actress Kaley Cuoco poses at the premiere of 'Blue Jasmine' at the Academy of Motion Pictures Arts and Sciences in Beverly Hills, California
Singers Britney Spears (L) and Katy Perry pose at the premiere of 'The Smurfs 2' at the Regency Village theatre in Los Angeles
Cast member Jayma Mays poses at the premiere of the film 'The Smurfs 2' at the Regency Village theatre in Los Angeles, California
Cast member Armie Hammer (R) and his wife actress Elizabeth Chambers pose for photos during the Japan premiere of his movie 'The Lone Ranger' in Tokyo
Cast member Neil Patrick Harris poses at the premiere of the film 'The Smurfs 2' at the Regency Village theatre in Los Angeles
Cast members (L-R) Chris Evans, Tilda Swinton, Ko Ah-sung and Song Kang-ho pose for photographs during a news conference to promote their latest movie 'Snowpiercer' at a hotel in Seoul