Mary Ann, began singing at age 11 at her school and soon after became part of the TV show "A Toda Maquina" in which for three years entertained the audience with her voice and presence on stage.

He sent me this baby at the time that He understood that it was the right time, I was ready (because) I have some form of economic stability and spouses (Guillermo and I) are more committed" said Mary Ann.In December 2009, a newspaper in Puerto Rico reported that Mary Ann was not giving birth to her daughter at the Auxilio Mutuo Hospital, Hato Rey, Puerto Rico, as was published in other media.

After a reconciliation in August, other rumors about an alleged pregnancy began to have boom, while Mary Ann was involved in Idol Puerto Rico, but she denied it at the second gala of the reality show.

However, in November, Mary Ann posted on his official Facebook page, she started the divorce proceedings to formalize their separation from Guillermo.

[9] In January 2012, Mary Ann announced her intention to return to college and complete studies she began in 2006 and then left to enter the competition Objetivo Fama.

On January 24, Acevedo officially began their continued academic preparation for a Bachelor of General Music Education-Vocal at Interamerican University of Puerto Rico, San German Campus.

[10] On Saturday, April 26, 2008, Mary Ann was presented in reality show, singing a duet with Cristina Eustace (winner of the Objetivo Fama Fifth Season) the song "Fuera De Mi Vida", and they were the most acclaimed of the night.

[10] We can ensure that this CD is a gem from start to finish, simply put together this "dream team" of production, an excellent selection of topics and an interpreter who takes heart in throat, to know that we are facing a luminaire that soon will be singing the world.

[10] United by that thought, Arquímides Gonzáles, Ediberto, Mary Ann Acevedo, Blanca Rosa, Jometh Andujar and Jonathan (ex-participants of Objetivo Fama), will be the protagonists of the musical-concert Los Favoritos: The Show (this show include acting, singing and many choreographies), which will be presented at the Centro de Bellas Artes Luis A. Ferré.

[13] With them on stage will be his former teacher at the academy (Objetivo Fama), Francisco Zamora, who chose precisely the select group, taking as the main criterion "a connection of heart", which established with young people during their passage through the television programme.

[13] The event, in addition to music seeks to convey a message of hope and motivation to young people, will have a live orchestra under the direction of Guillermo Torres and choreography by Danny Lugo.

[13] At the end of 2006, Mary Ann had reported that begin recording what would be her second album with the label "Univision Music Group", and that it would launch in mid-March and May 2008.

Among the recordings of the long-awaited album, the house label sent a press release in which formalize the sale of the company, which will change at the hands of "Universal Music",[14] which hit the singer.

[15] Along with her husband, producer Guillermo Torres, composed all the songs included on the album of lullabies, "Cántale a tu Bebé", it released on October 5, 2009.

Considering the importance of maintaining a distinctive tradition, and rescue the beautiful old customs, we come to you, Dad and Mom through this CD that is designed to enrich your baby's mind from the beginning.

[15] In January 2010, Mary Ann Acevedo, published the name of the first single from her third studio album, produced by her husband, singer Guillermo Torres.

In her second casting (which was divided into two presentations), she sang "No Te Mentia" and then the song "Recuerdame" with Luis Xavier Zayas (participant of Idol Puerto Rico).

[20] On September 15 was the Second Live Concert and Mary Ann was awarded good reviews for her performance with the song "Todos Me Miran" by Gloria Trevi.

It was thought that the album would be called "El Amor es la Solución" (Love is the Solution), but apparently "Genesis" proved to be a more commercial and more welcoming to the public as the first single from the CD is titled the same way.

[24] Genesis is an album that portrays the influence of Mary Ann, including covers of songs that the public has known in the voices of Rocio Durcal, Celine Dion, Mariah Carey and other singers.

Marc Anthony, is a key component in the evolution of Mary Ann as a professional singer, has grown with his music and in the future she wants to meet him and also do a duet with him.

Mary Ann was as a guest artist at the "Premios Lo Nuestro" and also participated in the Christmas compilation album "Navidad Boricua: Mi Pueblo esta de Fiesta".