The theme song is sung by the actors who do the girls' voices. The actors are singing in their normal voices. In the last episode of the 2nd season, Piff speaks her first word, "cocoa". In the U.S. version, Faragonda does a test to see if the Winx girls will survive in the Under Realm and Bloom, Stella, and Layla pass. But in the European version, Faragonda tells Layla to go to the Under Realm to save the Pixies, and Bloom and Stella are chosen to go on the mission. ...[Read Story ]