Prince collaborator theorises late star 'took pills to keep the show going'
Reports since singer's death have suggested he suffered from chronic hip pain
Stevie Wonder encourages fans to honour Prince by making love to his music
Wonder also admits that he had made love to Prince's songs
Police question doctor who prescribed Prince drugs day before death
Late singer visited Dr Michael Todd Schulenberg twice in the weeks leading to death
Prince estate dispute inspires new legislation in Minnesota
'Prince Act' was introduced in the Minnesota House of Representatives on Monday (May 9)
DNA tests to determine who is entitled to Prince's estate
Move comes to prevent false inheritance claims
Prince's family say no memorial service held yet, confirm plans for public event
The late musician's DNA has also been sampled to prevent false paternity claims
Arsenio Hall reportedly suing Sinéad O'Connor over claims that he supplied Prince drugs
'Nothing Compare 2 U' singer has also accused comedian of spiking her
Percocet allegedly found in Prince's system during autopsy
The late musician's cause of death is still weeks away from being revealed
Drug enforcement officers confirmed to be investigating Prince's death
Police are looking into possibility that star died from an overdose of prescription drugs
Stevie Wonder: 'Prince's music was so picturesque that even I could see it'
Prince once called Wonder a 'role model' and 'inspiration'