The fourth season begin on June 7, 2010 showing the new contestants. On June 8, 2010 the couples were announced for both teams. It was also announced that at the time of nomination, both partners would be nominated. At the beginning of this season the horary was changed to 16:00 hrs and a few days was not aired due to the 2010 World Cup. On July 12 the singer Karen Paola joined Calle 7 after leaving Yingo.