"Lo Mejor de Mí" ("All My Best") is a song written and produced by Rudy Pérez and first recorded by Spanish singer Juan Ramon for his second studio album Por Haberte Amado Tanto (1990).

In 1997, Mexican recording artist Cristian Castro covered the song for his fifth studio album Lo Mejor de Mí which Pérez also produced and arranged.

In 1990, Spanish recording artist Juan Ramon released his second studio album Por Haberte Amado Tanto which was arranged and produced by Cuban-American musician Rudy Pérez for the telenovela Kassandra.

[citation needed] One year later, Argentine musician María Martha Serra Lima covered the song on her studio album of the same name which was also arranged and produced by Pérez.

[4] In 1997, Mexican recording artist Cristian Castro covered the song for his Grammy-nominated album of the same name with Pérez's involvement with the production and arrangement.

[22][23] It was also nominated Pop Song of the Year at the 9th Lo Nuestro Awards but lost to "Si Tú Supieras" by Alejandro Fernández.