4 June 2012 Last updated at 17:47

In pictures: Jubilee picnic

Diamond Jubilee picture galleries

Royal supporters gather on the Mall outside Buckingham Palace in London

Hundreds of ticket-holders for a picnic and star-studded concert to mark the Queen's Diamond Jubilee gathered outside Buckingham Palace.

Spectators begin arriving on the Mall outside Buckingham Palace in London in preparation for the Queen's Jubilee concert

Groups of people without tickets began to arrive on The Mall nearby to watch the concert on big screens.

Emma Hrydziuszko, Helen Ashford and Kathleen Williams (L-R) sit on The Mall ahead of a concert at Buckingham Palace in London

They were only beaten to the best viewing spots by about 100 people who had set up tents overnight.

Members of the public wait in a queue to enter the gardens of Buckingham Palace

Ticket-holders were allowed to enter an official queuing area to get into palace grounds at Constitution Hill. They had previously formed their own make-shift queue with a line at least 10-people deep snaking its way down the pavement.

People queue outside Buckingham Palace ahead of the picnic and the Diamond Jubilee concert

There was confusion earlier as picnic-goers tried to enter palace grounds at Constitution Hill. "The guards thought we needed the fancy card inviting you to the palace - but it wasn't needed after all," said Donna Hughes, from mid-Wales.

Ticket-holders enter the grounds of Buckingham Palace

The crowd entered the palace gardens - where teams of helpers handed out picnic hampers created by celebrity chef Heston Blumenthal and royal chef Mark Flanagan - to the accompaniment of a steel band.