[6] The official music video for Wonderland was filmed in October 2011 in Las Pozas, a park in Xilitla, San Luis Potosí.

Due to the band and Miss XV's success, Paulina Goto and Natasha Dupeyrón were revealed as co-protagonists for producer Pedro Damián's slated television series, tentatively titled, "Las Mejores Amigas: Best Friends Forever" on April 24, 2013.

The band's self-titled album, Eme 15, was available for digital download and physical release internationally on June 26, 2012; one bonus track was included for iTunes Mexico purchases.

The following week, on June 19, 2012, Súper Loca and Desde Tu Adiós were released digitally on iTunes in Mexico as the final promotional singles from the band's debut album.

[23] On April 30, 2013, the band released their first live album, Wonderland-Zona Preferente, a concert CD and DVD combo pack.

The album and DVD were recorded in front of a live audience in Mexico City at one of two shows performed at the Auditorio Nacional on January 27, 2013.

[26] The band's earliest appearances to promote their debut album and television series, Miss XV were at autograph signings and showcases at MIXUP record store locations and radio venues throughout Mexico beginning in the spring of 2012.

They debuted their album, performing at smaller showcases and appearing on various television and radio programs in Colombia and Argentina in October 2012.

The band performed their first full concert set outside of Mexico at the famed Teatro Gran Rex theatre in Buenos Aires, Argentina on April 28, 2013.

[28][29] To promote their live album, Wonderland-Zona Preferente, the group made several appearances on television programs to perform their single, Diferente and gave radio interviews in Mexico.