Bailando 2011 was the seventh Argentinean season of Bailando por un Sueño. The season premiere aired on May 16, 2011 on El Trece with 30 couples, including same-sex pairs for the first time in the Argentinean show – José María Muscari in the male couple; in the female couple, initially Silvina and Vanina Escudero, then Silvina Escudero and Sofía Pachano – and, for the first time in the world, a contestant with dwarfism: Noelia Pompa, a singer. The premiere featured special appearances by Mariano Martinez, Carolina "Pampita" Ardohaín, Ariel "El Burrito" Ortega, Alberto Cormillot (the physician of Cuestión de Peso ), and Griselda Siciliani, who performed dance routines during the show's opening. The competition began on May 17 and featured a special guest, the Brazilian footballer Ronaldinho. The premiere drew a 37.1% rating, smashing the competition. As in previous seasons the cast also included international celebrities: Pamela Anderson, Mike Tyson and Larissa Riquelme.

Rocío Marengo is an Argentine model, actress, vedette, comedian and dancer.