El Reencuentro 2011 (also known as El Reencuentro: diez años después) premiered on March 17, 2011 and will end the May 2, 2011 lasting 47 days. It was the second Spanish All Stars edition for the reality franchise Big Brother. In this edition, there are contestants of several famous realities from telecinco. Seven pairs of ex-contestants with unfinished business (fights, love, etc.) in different reality shows (Gran Hermano, Gran Hermano VIP, Operación Triunfo, Supervivientes, Hotel Glam, La Casa de tu vida o Las Joyas de la Corona) are reunited and must live and fight together for the award.
Alejandro "Coyote Dax" entered the house on Day 1. He was a housemate from Gran Hermano VIP 1.
Chari entered the house on Day 1. She was a housemate from Gran Hermano 12. Chari was ejected along with Rubén on Day 10 as they had a big argument which the producers considered an aggression.
Chiqui entered the house on Day 1. She was a housemate from Supervivientes 2007. Chiqui was ejected on Day 30 as she had a big argument with Natalia in which Chiqui grabbed her arm; this was considered an aggression.
David entered the house on Day 8. He was a housemate from La Casa de tu Vida 1. David was evicted along with Natalia on Day 36 after a housemate nomination with 3 of 3 votes.
Gerardo entered the house on Day 1. He was a housemate from Gran Hermano 11 Gerardo left the house on Day 20 as he felt uncomfortable his last week in the house.
Iván entered the house on Day 15. He was the winner of Gran Hermano 10. Iván became along with Loli the fifth pair to be evicted from El reencuentro on Day 43.
Javián entered the house on Day 36. He was a contestant from Supervivientes 2007 and Operación Triunfo. He was the last evictee along with Sofía on Day 43.
Jorge entered the house on Day 1. He was a housemate from Las Joyas de la Corona.
Juanma entered the house on Day 1. He was a housemate from La Casa de tu Vida 1. He became along Mónica the first housemate/pair to be evicted from El Reencuentro.