Princess Anne arrived on Aug. 15, 1950, the second child of Queen Elizabeth II and Prince Philip—and she's been utterly iconic ever since. Through her swinging '60s adolescence, party-girl days ...

Princess Anne made a triumphant return in today's Trooping the Colour parade, riding horseback in public for the first time since a major injury last year.

Known for her tireless work ethic, Princess Anne invited 200-plus guests to Buckingham Palace and spent hours shaking hands with as many of them as she could, thanking them for their important work.