Those pop stars…. they're really just like you and I; they fart, they belch and they sing (badly) in the shower.

Well, OK. If you're Sam Smith, you sing really, really well in the shower - as we now know, thanks to the singer's boyfriend Jonathan Ziezel sneakily capturing a clip of Smith singing Beyoncé's 'Drunk in Love' while doing his ablutions.

You can hear it below: