After Richard Desmond bought Channel 5 in 2010, he stated that he was keen to acquire "Big Brother". Meanwhile, Endemol had been granted permission to keep the "Big Brother" house at the Elstree TV Studios until 30 September 2013. On 2 April 2011, In August 2011, Channel 5 formally confirmed that they had signed a £200 million two-year contract with Endemol to screen "Big Brother" from 18 August 2011. "Big Brother 2" winner Brian Dowling was announced as the new presenter. McCall declined the offer to present, having said goodbye to the show in 2010. On 3 May 2011, "Endemol" and Channel 5 officially opened the process for people to apply to be on the show. The twelfth series officially launched on 9 September 2011. Aaron Allard-Morgan was crowned the winner after spending 64 days in the house. The thirteenth series premiered on 5 June 2012, and was won by Luke Anderson. On 2 April 2013, it was confirmed that Dowling would be replaced by Emma Willis, who had previously presented spin-off series' for the show. The fourteenth series premiered on 13 June 2013, and was won by Sam Evans. The fifteenth series launched on 5 June 2014 and was won by Helen Wood, making her the first female winner since the show's revival on Channel 5. The sixteenth series began on 12 May 2015, the earliest Big Brother launch to date. Chloe Wilburn was announced as the winner of that series. The seventeenth series launched on 7 June 2016, it was the first Big Brother series to feature two separate houses and with a series length of 50 days it was the shortest ever series of "Big Brother" to air in the sixteen years of the programme. The Winner was stunt double Jason Burill. He is the oldest housemate to win the main series to date. The eighteenth series launched on 5 June 2017 and was won by Isabelle Warburton. She is the first woman to win Big Brother as a late entrant, and at just 38 days in the house she has also spent the least amount of time in the house for a winner of the regular series.