Two world leaders united when Prince William had a meeting with U.S. President Joe Biden at Boston's John F. Kennedy Presidential Library and Museum on Dec. 2.
William and Kate joined stars including Rami Malek at the Earthshot Prize ceremony on Dec. 2. Celebrities posed on a green carpet at the event, which honored environmental activists.
They chatted with Catherine O'Hara, Shailene Woodley and David Beckham at the Earthshot ceremony honoring eco-friendly strides.
Prince William and Kate Middleton bundled up on the Boston shoreline while discussing the climate crisis with Mayor Michelle Wu on Dec. 1.
The Princess of Wales was chic in a burgundy pantsuit while visiting the Roca organization in Boston.
Kate stopped to talk with a young fan dressed as a guard during the Dec. 1 outing.
Kate and Will embraced American sports by catching the Celtics game on Nov. 30 with Massachusetts Governor-elect Maura Healey.
The group cheered on Boston's team, though they may have gotten a little too close to the action. "I almost bumped into them," NBA player Derrick White later confessed. "I was like, 'My bad.'"
Governor-elect Healey and the Mayor of Boston, Michelle Wu, helped the royals kick off Earthshot celebrations with a lighting event.
William and Kate started off the festivities on Nov. 30, meeting with the Mayor by City Hall.
The couple touched down in Beantown on Nov. 30.