Most of the time, of course, loving your idol is totally harmless.
We're not talking kissing your Busted poster before you go to bed or buying all Blue's CDs.
But when you become completely obsessed or think you've got a special bond with them, there's more of a problem.
Being so obsessed can make you depressed.
It's common to start liking celebs when you're a teenager and
looking for direction in life.