Pop can be a savage business. One minute you're in the hottest pop band in the world, the next you're hosting shows on the shopping channel.
Some rise to the top again and a select few become even more successful than their old band. It can be unpredictable, to say the least.
But which category of solo artist do you think you are? Take our quiz to see if you're a giant solo superstar or a bit of a flop.