Harry Styles step-father Robin Twist (57), has passed away after a lengthy battle with cancer.
A representative for Harry, who is preparing for his World Tour, confirmed reports and said that his step-father passed away on Thursday.
Niall Horan and Liam Payne have both paid tribute to Mr Twist online describing him as having a "gentle soul" and "always had a smile on his face".
Harry's mother Anne, married Robin just four years ago and Harry was best man at their wedding.
Harry's friend and ex-1D star Louis Tomlinson's mother also passed away last year.