An explosive biography of Camilla, pictured left - to mark her 70th birthday next month - lifts the lid on her affair with Charles, pictured bottom right. Yesterday in the Mail, royal author Penny Junor, who talked to Camilla's friends and family, revealed how the Prince was driven to the brink of a breakdown by his marriage to Diana, pictured top right. Today, she tells how Diana menaced Camilla before two unprecedented televison interviews blew apart their marriages and rocked the monarchy.
