Celebrity Big Brother 11 was the eleventh series of the British reality television series Celebrity Big Brother. It launched on 3 January 2013, and aired on Channel 5 and 5* for 23 days concluding on 25 January 2013. The series is part of a new two-year contract signed by Channel 5 with Endemol to air the show until 2014. In 2017, Heidi and Spencer returned to the house for Celebrity Big Brother 19 as All-Stars, representing this series. They were the eighth housemates to be evicted.