Muñoz began his career as an actor at the age of eleven in the film El Palomo cojo (1995), followed by many television appearances.

From 2002 to 2004, Muñoz starred as Roberto Arenales on the television series Un Paso Adelante, for which he took dance classes.

Muñoz joined several of his castmates to form the band Upa Dance, including: Beatriz Luengo, Pablo Puyol, Monica Cruz, Silvia Marty, Edu Del Prado and Elizabeth Jordan.

The album included "Dirás que estoy loco", which was released as a single across Europe, reaching Nº2 on the charts in Italy and peaking at Nº3 in France.

[5][6] In late 2014 Muñoz made it to fourth place as a contestant on the fifth season of the series Danse avec les Stars, in France.