The pop legend was speaking to illusionist David Blaine
Full song now available to hear after initial 40-second snippet leak
Sister Cristina Scuccia won the TV talent show in June
Pink says he will attempt to stop her "downward spiral"
US singer played piano for Madonna and producer Diplo during recent studio time
"She's having a lot of fun," says the singer's manager
Singer dismissed from civil duty at Manhattan Supreme Court
The Major Lazer man and producer said that he wrote seven songs with the popstar
The singer has already worked with Diplo and Avicii on her forthcoming 13th LP
The star was due at the Manhattan Supreme Court earlier today (May 28)