The flight crashed shortly after takeoff on Thursday, killing 241 people on board and at least 29 on the ground.

Ahead of Saturday's festivities, King Charles III also honored a handful of celebrities and public figures, including David Beckham, Gary Oldman and Elaine Paige.

Britain's King Charles and other senior royals wore black armbands at the "Trooping the Colour" military parade on Saturday (June 14) as a mark of respect for the victims of the Air India plane crash.

After arriving at Buckingham Palace by car, Kate and the children, Prince George, 11, Princess Charlotte and Prince Louis, 7, traveled in a traditional horse-drawn carriage down The Mall. Charlotte sat beside her mother, while her brothers faced backward across from them.

Kate Middleton made a poignant appearance alongside the royal family at Trooping the Colour, one year after her powerful return to public life amid cancer treatment.

Senior working royals including Prince William, Kate Middleton, Princess Anne, Prince Edward and Queen Camilla will reportedly take part in the king's birthday parade.