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)
'Unapologetic Bitch' is rumoured to feature Katy Perry
Singer claims Major Lazer producer is "a slave driver" in the studio
The project will mark Madonna's third time in the director's chair
The pop icon recently confirmed she is working on a new album
The star posted about the collaboration on Instagram yesterday (March 7)
The singer wants to collaborate with Drake on the record
Pop icon says she will be 'honoured to introduce her fellow freedom fighters'
The event will take place on Sunday night (January 26) in Los Angeles
Reports say singer will perform duet at event
The 'MDNA' singer uploaded an image of her son boxing along with the caption '#disnigga'
"No one was drinking we were just having fun!" she tells fans
Singer beats Lady Gaga to take first place in money-makers list