In this video, King Charles stepped out to attend the Royal Film Performance of Gladiator II at ODEON Luxe Leicester Square in London, supporting the Film and TV Charity during its 100th anniversary year.

His seemingly unbothered attitude with regard to the British monarch didn't impact their later meeting. After his arrival, inside the theater, King Charles met the cast of Gladiator II, including Washington. "I didn’t know if I was supposed to grab your hand or not," the actor told the King as they met.

The monarch paid a candid tribute to his wife's work at a Buckingham Palace reception, which saw him joined by Sir Ridley Scott and Damien Lewis

British royal family members are no strangers to solo outings—like when Prince William walked alone in a garden or when he traveled by himself to South Africa. The same goes for King Charles, who recently stepped out for a special solo appearance.

A 'handsome' King Charles delighted fans as he wore a black suit paired with a black bowtie as he walked the red carpet for the Gladiator 2 premiere.

King Charles III, battling cancer, appeared to be in good spirits during a Royal meet-and-greet with the cast of the ‘Gladiator’ sequel

The King divulged what ‘very moving’ experience made him emotional while chatting at a Buckingham Palace reception on Nov. 13

King Charles hosted a glittering reception to celebrate the centenary of the Film and TV Charity at Buckingham Palace and discussed his wife's recent documentary on domestic abuse