Big Brother (Australian season 7)
Big Brother Australia 2007, also known as Big Brother 7, was the seventh season of the Australian reality television series "Big Brother". Episodes were broadcast on Network Ten in Australia, and the first episode aired on 22 April 2007. 
Despite a drop in ratings compared to previous series, and a number of controversies, the then "Big Brother" executive producer Kris Noble considers the year's series a success. At the end of this season's finale broadcast 30 July 2007, it was announced by host Gretel Killeen that "Big Brother" would be returning for an eighth season in 2008. In the finale Aleisha Cowcher was announced winner of "Big Brother Australia 2007". She won by the closest winning margin ever in the Australian series. The news the following day reported a margin of 51% versus 49% – a difference of 65 votes. This was the last season hosted by Gretel Killeen.
Big Brother (UK TV series)
Following the success of the fifth series, the sixth series began on 27 May 2005, and lasted for a total of 78 days. The series was met with much controversy surrounding housemates Anthony Hutton and Makosi Musambasi, the former of which went on to win the series. The seventh series premiered on 18 May 2006, and became the first series to feature over twenty housemates. It became the first series to last longer than 90 days, and was met with much controversy after allowing previously evicted housemate Nikki Grahame to return to the game with the chance of winning. Pete Bennett was ultimately crowned the winner of the series. The following series premiered on 30 May 2007, and became the longest series to date at 94 days. The series featured a set of twins in the house, who competed initially as individuals but later became one housemate. Brian Belo was crowned the winner of the series. Belo is the youngest winner of the series and the only black housemate to win. The ninth series featured a "Heaven and Hell" theme, and premiered on 5 June 2008. Rachel Rice was the winner of the series after spending 93 days in the House. On 4 June 2009, the tenth series premiered and saw housemates having to complete tasks in order to earn housemate status. Sophie Reade was the winner of the series, which lasted for a total of 93 days. 9 June 2010 saw the premiere of the eleventh series. It was also confirmed that 2010 would be the final year of "Big Brother" on Channel 4. The series lasted for a total of 77 days, with Josie Gibson being crowned the winner. Merely minutes after "BB11" concluded, a special edition titled "Ultimate Big Brother", featuring memorable former housemates competing for the title of "Ultimate Housemate"."Big Brother 2" winner Brian Dowling, won the series after 18 days in the house.