Talent shows may be one of the most popular genres on TV, but both on screen and behind the scenes, things don't always go to plan as Nicki Chapman reveals. The former judge on 2001 series Popstars looks at the most incredible moments from some of the best loved shows in history, ranging from Pop Idol (which Nicki also worked on) to The X Factor, Strictly Come Dancing to Dancing on Ice. She also meets the key participants from the judges and commissioners to the contestants.
