Madonna was said to be working with a pop icon on a secret project ahead of collapse and intensive care stay during the week.
It has emerged that following the news of Madonna's "serious bacterial infection", which led to the singer postponing her 84-date Celebration tour, she was said to be busy working on new music.
Reports say that the Material Girl singer was working with another pop legend - Katy Perry, who is known for her hits like Firework and Teenage Dream.