The Princess of Wales (Kate) will not be returning to public duties for the Colonel’s Review after speculation she would be well enough to take part.
The ceremonial military event takes place on 8 June in London, the weekend before Trooping the Colour, and as colonel in chief of the Irish Guards, Kate would usually take the salute.
The princess has not been taking part in public engagements since she revealed she had cancer and was undergoing preventative chemotherapy earlier this year.
In February, the Ministry of Defence appeared to confirm her attendance and subsequently had to remove the announcement on its website.
Instead the salute will be taken by Lieutenant General James Bucknall.
The former Commander of the Combined Forces Rapid Reaction Command has served as an officer in the Coldstream Guards for over 45 years since 2009, when he was appointed Colonel of the Coldstream Guards, and has attended every King’s Birthday Parade.
This comes after Buckingham Palace also confirmed that the King will attend this year’s Trooping the Colour, which will be held on 15 June.
Due to his cancer diagnosis, it was questionable whether he would be able to ride horseback in his first birthday parade as monarch, as he did last year.
However, the Palace has now confirmed that the King will parade alongside the Queen, who will be seated in a carriage at Ascot Landauer.
The attendance and participation of other family members will be confirmed at a later date.