Eduardo puts out a call to all of Mexico's youth to find members for his new musical group, Muñecos de papel ("Paper Dolls"), but at last minute he cancels everything to go on tour with his beloved Lorena.
The group decides to forge ahead without Eduardo, and thus six young people get to live their dreams of achieving fame and fortune.
The album version of "Muñeco de Papel" is different from the one that served as the opening song for the telenovela; Bibi Gaytán and Erick Rubín were then signed to Melody and due to differences between the record companies, their voices - which can be heard in the TV version (Sasha at 0:01, Bibi 0:13, Erick 0:40, Ricky 0:47, Pedro 0:54, Angelica 1:53)- were replaced by Sasha and Alejandro Ibarra, respectively.
The telenovela's fictional pop band Muñecos de Papel was formed by Sasha, Ricky Martin, Bibi Gaytan, Pedro Fernandez, Erick Rubin and Angelica Rivera.
It is, however, unclear whether Sasha, Pedro Fernandez and Angelica Rivera contributed backing vocals to the only group song in Alcanzar una estrella II, "No quiero dejar de brillar" - Bibi Gaytan, Erick Rubin and Ricky Martin all have solo verses but the other members do not, and the credits do not include this information.