Madonna has officially joined Instagram, and instead of posting the expected (cone bras, vast wealth and luxury, etc.) she has decided to share some of the grossest selfies you'll ever see.

Clearly not adept at turning the camera on herself, which is a massive surprise considering how controlling she is known to be in every other aspect of her life, she instantly caused waves by posting a picture of her cleavage, toasting her arrival with a photo of her sipping a dirty martini and captioned the shot declaring: 'Cheers motherf**kers! I'm on instagram'. Well at least she's consistent in that regard.

Madonna later sent out a suggestive post-workout snap, holding her camera up to her chest and exclaimed that she was 'addicted to sweat'. Which is delightul...