Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google On December 3, King Charles III and his wife, Queen Camilla, hosted a lavish state banquet for Germany's president at Buckingham Palace, but it was Prince William and Princess Kate who commanded the most attention. Kate, dazzling in the Strathmore Rose Tiara, the largest and most dramatic headpiece she's ever worn, sat on one side of President Frank-Walter Steinmeier, marking the third time she's been seated next to a visiting Head of State at a banquet since July.