Cliff Richard will today talk candidly about his lifestyle, his faith and why he has never married.
In a BBC interview, Richard will explain how his attitudes have changed over the years.
Speaking to Sally Magnusson in front of an audience of representatives from the charities he supports, he will talk about why he has chosen to live his life the way he has.
The one-off programme, to be screened on BBC One at 4.50pm, marks Richard's 50th year in showbusiness.
The committed Christian singer will perform some of his favourite religious songs and hymns, including 'Faithful One' and 'Little Town'.