Royal heartbreak: How Princess Margaret complained about 'unbearable' final days

celebrated 5 years on the throne in 22, her Golden Jubilee year. However, Her Majesty suffered personal tragedy just three days after the celebrations when her beloved younger sister died. Princess Margaret passed away on February 9 after a series of strokes which had left her with impaired vision and reduced mobility. 212 Amazon Prime documentary “The Queen’s Diamond Decades” hears from the late princess’ oldest friend, Lady Elizabeth Cavendish, who said her last days were “unbearable”.      Princess Margaret had a private funeral at St George’s Chapel, Windsor, on the 5th anniversary of her father’s funeral on February 15.    How 'cruelly unfair Princess Margaret hated Sarah Ferguson'  The documentary reveals how the Queen and Margaret  “remained devoted sisters” over the years, which sometimes brought tumult for the Family. Margaret fell in love with the divorced Group Captain Peter Townsend, and held the monarchy on the brink of crisis in 1953 when she had to choose whether to marry him or keep her royal title. She chose her royal duties, and later went on to marry photographer Lord Snowdon, but Group Captain Townsend was widely regarded to have been the love of her life.  Famous in her youth for her glittering social life when she scandalised Fifties London by being pictured smoking in public, she began smoking heavily after the death of her father, from smoking-related illnesses, in 1952.   Why Princess Margaret's engagement came as a shockMeghan Markle 'shares traits' with THIS controversial How Princess Margaret was 'shabbily treated by out-of-touch establishment'  She had 6-a-day habit and, although she gave up cigarettes after her first mild stroke in 1998, smoking contributed to her final illnesses.   Kate Middleton and Prince William have made the island their holiday favourite, too, and the Duchess of Cambridge even landed herself in hot water with the Queen when she took over Princess Margaret’s sobriquet “Queen of Mustique”. Mustique was also the setting of the royal scandal that would prove to be the end of Margaret’s marriage to Lord Snowdon.      Channel 5 documentary “The Family: Affairs and Infidelities”, which first aired earlier this year, delves into the circumstances surrounding the landmark royal divorce.   Trending    biographer Anne Sebba explained: “He was highly unsuitable, so these photographs were fairly dramatic really.  “Princess Margaret was after all the Queen’s sister, so what did this say about the Family and their stability?” The photographs heralded Margaret’s divorce, which made her the first major royal to divorce since the days of Henry VIII.