Winx Club: Bloom! Princess Bloom is the princess of Domino and one of the founding members of the Winx Club and also the leader of the Winx Club. She is also a former student of Alfea College for Fairies. Bloom is the Guardian Fairy of Domino and keeper of the Dragon&#x27;s Flame. She was the first character to be introduced. She is also the childhood friend of Selina.