Britain's Got Talent 2013: Simon Cowell, David Walliams, Alesha Dixon and Amanda Holden see a donkey and a fire act.
Miranda Hart - comedy
Some TV personalities remain in more or less the same role throughout their careers. But others, such as the stars featured in this gallery, have successfully transitioned from one genre to another.
Miranda Hart first made her name in comedy; she appeared on panel TV shows and starred in a self-titled, critically acclaimed hit show that has bagged a number of British Comedy Awards. And then a drama about some midwives came along...