The artist known as Prince has died at the age of 57, reports TMZ.
The singer, whose full name was Prince Rogers Nelson, had a medical emergency on 15 April forcing his private jet to make an emergency landing in Illinois.
But he appeared at a concert the next day to assure his fans he was okay. His people told TMZ he was battling the flu.
According to BBC, police were called to a medical emergency at his Paisley Park estate earlier on Thursday, US media reported. An investigation is underway.
Prince became a global superstar in the 1980s, with albums such as 1999, Purple Rain and Sign O’ the Times.
He sold more than 100 million records during his career.
More to follow