Susan Aho and Johanna Virtanen of Finland perform during a press conference after the open rehearsal at the Telenor Arena on May 16, 2010 in Oslo, Norway. 39 countries will take part in the 55th annual Eurovision Song Contest. Semi-finals are scheduled to take place on May 25-27, with the final being held on May 29, 2010. The winner last year was Alexander Rybak from Norway with the song 'Fairytale'. (Photo by Ragnar Singsaas/WireImage)