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Is Gaga, Harry or RiRi the owner of the maddest hair in music? 'Like' a photo to vote for your favourite.
The singer debuted her latest look as she prepared for the final of the 2013 series of the music reality show.
Rita said she was having a "blue hair day" as she Instagramed a picture of herself preparing for rehearsals for her second album.
The 'Marry The Night' star showed off a new matted dreadlocks style while bringing her 'Born This Way Ball' world tour to Chile in November 2012. Picture: Twitter
Picture: Rex Features
Picture: Bleach London
Picture: Wonderland Magazine/Matt Irwin
Picture: Steven Klein/VOGUE
...so she curled her bright turquoise fringe into a 1920s bang.
Picture: Barcroft Media
Picture: PA Photos
Picture: Richard Johnson
Picture: Attitude Magazine