As you may know by know, Alexandra, undoubtedly this year's most hated Big Brother contestant, was unceremoniously booted off the show last night for seeming to imply she'd be getting her gangster pals to punish her enemies in the house.

It's clear, then, that the programme hasn't lost its power to provoke bucketloads of controversy. To commemorate Alex's dismissal, here are 10 other moments in BB history which shook the show to its very core…

By Helen Jennings

Pictures: Wenn, Big, Rex, PA