Chris Jackson/Getty ImagesAmerica's sweetheart, meet the royals.
Prince William and his lovely bride Kate Middleton spent part of their final day in California attending an exclusive private reception to mark the launch of the US Patrons Circle of Tusk, the African wildlife conservation charity. The Duke has been a patron of Tusk since 2005. Among the honored donors of the organization who met with the royal couple: Reese Witherspoon, Disney honcho Bob Iger and Kristin Gore, daughter of former Vice President Al Gore.
Oscar-winning film producer and philanthropist Steve Tisch hosted the party at his house, saying "it was inspiring to not only have Their Royal Highnesses The Duke and Duchess of Cambridge attend the event, but also to hear how passionately they speak about their commitment to the cause."