Catherine, Princess of Wales is reportedly "considering" making a return to the spotlight for the first time she went public with her cancer diagnosis. The 42-year-old royal revealed in March she was undergoing preventative chemotherapy treatment to battle an undisclosed form of the illness and she has not taken part in public engagements since but a new report suggests she might make an appearance on the Buckingham Palace balcony after the Trooping the Colour ceremony in June. The Mirror newspaper reports: "Kate .

.. is understood to be considering making an appearance on the Buckingham Palace balcony after the Trooping the Colour ceremony if she is feeling well enough.

" The report comes after a Kensington Palace representative confirmed the princess would not be taking part in the Colonel's Review - the event's official dress rehearsal on June 8 - but they did not rule out a potential appearance at the Trooping the Colour a week later on June 15. Journalism for the curious Australian across politics, business, culture and opinion. Trooping the Colour is a ceremonial event held annually to celebrate the monarch's birthday.

It's also known as the Sovereign's Birthday Parade and takes place in London with the monarch joining a procession of around 1,200 soldiers and musicians and more than 200 horses. It also involves a fly-past and an appearance by the monarch on the Buckingham Palace balcony. King Charles - who is also battling cancer - will take part in the Trooping the Colo.