Prince's sister and his ex-wife pay tribute following star's death
"He loved all of you. Thank you for loving him back," says sister Tyka Nelson
Prince was working on a memoir before his death
Reports say that the star had only completed 50 pages
Aretha Franklin: Prince was "one-of-a-kind"
Franklin described the icon as a "unique musical individual"
Snapchat adds a ‘Purple Rain’ filter in honour of Prince
Users have been posting photos with purple raindrops in tribute<br />
President Obama pens tribute to Prince: "nobody’s spirit was stronger, bolder, or more creative"
The POTUS said he was “among the millions of fans in mourning”
Frank Ocean shares poignant tribute to Prince
“He made me feel more comfortable with how I identify sexually”
Five days before his death Prince warned fans: ‘wait a few days before you waste any prayers’
The singer was recently forced to make an emergency landing due to poor health
Fans gather outside of Paisley Park to pay their last respects to Prince
People are gathering near the star's residence, despite the rain<br />
Music legend Prince has died, aged 57
The body of the singer was found at his estate in Minnesota
Prince hits out at YouTube licensing fees
Fees are not equitable, Prince says when talking removal of fan videos from YouTube.