The 19th series of Celebrity Big Brother has kicked off on Channel 5.
Billed as 'All Stars Vs New Stars', producers have brought in some familiar faces from past series, as well as some new additions to shake things up.
Viewers will be expecting plenty of scandal, hook-ups and mud-slinging if previous years are anything to go by.
But how well do you remember some of the biggest CBB moments from over the years?
Test yourself in our short quiz.