Jackie Stewart and Roman Polanski
Next Ziyi Zhang Slideshow: Only God Forgives - premiere - Cannes France - Wednesday 22nd May 2013
Spencer Morrill believed he was in a relationship with the singer and that she was hiding messages for him in her songs.
Was the singer unknowingly taking counterfeit pain medication?
Roberts had left the band in 2012, due to problems with blood circulation and other health issues.
The popstar turned actress is back in the studio.