The singer has been working throughout 2014 on her next studio album, which has tentatively been titled Iconic on this unauthorised leak.A total of 11 tracks have surfaced, including previously confirmed songs 'Rebel Heart', 'Bitch I'm Madonna', 'Joan of Arc' and 'Make the Devil Pray'.
Madonna has yet to announce an official title or release date for the album, which wasn't expected to be available legally to fans for some months yet.
The star has worked with a range of songwriters and producers for the album, including Diplo, Avicii, Natalia Kills and Ryan Tedder.
From Digital Spy
Madonna herself has commented on her Instagram page with the message: 'Thank you for not listening! Thank you for your loyalty! Thank you for waiting and if you have heard please know they are unfinished demos stolen long ago and not ready to be presented to the world.'
Later on Madonna also posted on Instagram: 'This is artistic rape!! These are early leaked demo's half of which wont even make it on my album the other half have changed and evolved. This is a form of terrorism. Wtf!!!! Why do people want to destroy artistic process??? Why steal? Why not give me the opportunity to finish and give you my very best?'