Being a celebrity is a hard job, but someone's got to do it. Aside from the reason you became famous in the first place – whether it's singing, presenting or sports talent (unless you are one of the vacuous celebrities that has become famous for no apparent reason at all) – there's the red carpets, press calls and photo shoots.

On top of all that 'hard work', there are the sponsorship deals too. But which personality is the best for business? A new survey reveals all!