The Prince of Wales and the Duchess of Cornwall visit New York City in Philadelphia, United States On January 28, 2007- [Getty Images]

UNITED STATES - JANUARY 28: The Prince of Wales and the Duchess of Cornwall visit New York City in Philadelphia, United States On January 28, 2007-Camilla Parker-Bowles, Duchess of Cornwall, greets music patrons at a concert celebrating the 150th anniversary of the Philadelphia Academy of Music, Pennsylvania. Beverly Schaefer/ Pool/Gamma. (Photo by Pool Interagences/Gamma-Rapho via Getty Images)

Gamma-Rapho Pool Interagences