Big Brother 7, also known as Big Brother: All-Stars, is the seventh season of the American reality television series Big Brother. It is based upon the Netherlands series of the same name, which gained notoriety in 1999 and 2000. The series premiered on CBS on July 6, 2006, and lasted eleven weeks until the live finale on September 12, 2006. The seventh season saw a moderate increase in ratings, though they generally remained the same when compared to previous editions. The season premiered to a total of 7.69 million viewers, the lowest premiere numbers for any season at the time. The season finale had a total of 8.14 million viewers. In total, the series averaged 7.56 million viewers. Big Brother: All-Stars featured a total of 14 HouseGuests, the same number that was featured in the previo