MONTE-CARLO, MONACO - SEPTEMBER 05:  (L-R) Her Serene Highness Princess Charlene of Monaco and 2015 Princess Grace Awards Gala Honoree Robert Redford attend the 2015 Princess Grace Awards Gala With Presenting Sponsor Christian Dior Couture at Monaco Palace on September 5, 2015 in Monte-Carlo, Monaco.  (Photo by Pascal Le Segretain/Getty Images for Princess Grace Foundation-USA)