The Queen's Diamond Jubilee celebrations will draw to a close today.

A special service will be held at St. Paul's Cathedral this morning.

Later, the monarch will acknowledge wellwishers from the balcony of Buckingham Palace.

She won't be joined by Prince Philip, who's in hospital with a bladder infection.

He also missed last night's star-studded concert at Buckingham Palace, where the likes of Paul McCartney, Elton John and Annie Lennox sang for her Her Majesty.

Afterwards, Prince Charles paid tribute to his mother: