2007 Amy Winehouse hit (5)
I believe the answer is:
rehab
'2007 amy winehouse hit' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rehab that I've seen before include "convalescent home?" , "Treatment for dependency" , "help with addiction" , "Restorative care" , "Treatment for addicts (abbrev.)" .)