In 2004, she released the first live album, "Transparente Ao Vivo", and joined the cast of the fourth season of the series "Sítio do Picapau Amarelo". In 2005 she signed with Sony and underwent a reformulation with the release of the album "W", adhering to dance-pop music and composing eleven of the fifteen songs, being her most authorial work. This album included chart singles, "Amor, Amor" and "Não Resisto a Nós Dois", in addition to the promotional ones "Relaxa" e "Culpada", that gained good airtime.