Queen Elizabeth's life through the years: Queen Elizabeth II, the longest-reigning monarch in British history, has died. She was 96 years old. We take a look back on her life and legacy in photos. https://gma.abc/3RRslaf | Good Morning America

Queen Elizabeth II is the longest reigning monarch in British history. During her seven decades on the throne, she has ruled over crisis and war, seen more than a dozen prime ministers come and go, and has endured the breakup of the Empire and the formation of her beloved Commonwealth. And yet, despite decades in the public eye, the Queen herself remains a mystery...until now. This is the inside story of Elizabeth, the wife, the mother, and the Queen, as told by her closest friends and advisors.