The Princess of Wales could still attend Trooping the Colour ceremony despite her on-going health issues, according to one expert. Get the latest entertainment news sent straight to your inbox with our weekly Showbiz newsletter We have more newsletters Get the latest entertainment news sent straight to your inbox with our weekly Showbiz newsletter We have more newsletters The grand finale of Trooping the Colour, a key event in the Royal calendar, traditionally sees a throng of royals gathered on the Buckingham Palace balcony. However, this year's spectacle may present a more sparse gathering for the magnificent RAF flypast.

In keeping with the precedent set over the past two years, it is anticipated that King Charles will invite only working royals to join him for the culmination of his birthday festivities. This would mean younger royals such as Princesses Beatrice and Eugenie, along with Prince Harry and Meghan Markle, who are likely to stay in California, may not be present. Amidst the pared-down family appearance, there's a chance that even the most beloved member of the Firm might be absent, reports the Mirror .

The Princess of Wales is currently undergoing preventative cancer treatment and her attendance at Trooping has yet to be confirmed. Nevertheless, it is understood she may consider making an appearance if she feels up to it. Kensington Palace has confirmed that the Princess will not officially participate in the final dress rehearsal for the King's birthday celebr.