India, June 15 -- The Princess of Wales officially resumed her post beside the Royal Family in her first public appearance in six months at Trooping the Colour on Saturday, June 15. Kate Middleton, 42, has steered clear of the public eye for months amid her ongoing cancer treatment.

Despite the initial official royal update that she won't be joining the annual public event in honour of King Charles III's birthday, she ultimately made her anticipated surprise appearance. Sporting a white dress by Jenny Packham with the Irish Guards Regimental Brooch, the Princess accessorised her look with a Philip Treacy hat.

Taking her family's side, she was initially spotted arriving at the British pageantry with her children Prince George, Princess C...