Princess Stella is the princess of Solaria and one of the founding members of the Winx Club. Stella is the keeper of the Ring of Solaria and Guardian Fairy of Solaria. She is the second Winx girl to be introduced;
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Musa is the Guardian Fairy of Music from Melody and one of the founding members of the Winx Club and a former student of Alfea College for Fairies. She was the fifth Winx girl introduced, after Bloom, Stella, Flora and Tecna.