Trump arrived at the solemn ceremony in St. Peter's Square wearing a blue suit paired with a light blue tie and his signature American flag lapel pin. Prince William, representing King Charles III, ...

King Charles III and Prince William looked to be in good spirits ... a pocket square in the same colors as the tie and a golden pin. Both royals were all smiles throughout the engagement.

Trump, who prides himself on his own personal style, wore a blue suit, a light blue tie, and his obligatory American flag lapel pin ... code was Prince William, representing King Charles III.

Donald Trump with wife Melania, and Prince William attend Pope Francis' funeral in Rome. Trump donned his trademark American flag lapel pin ... was filling in for King Charles III, chose to ...