The Queen's Diamond Jubilee: Thanksgiving Service at St. Paul's Cathedral

The Queen was at St Paul’s Cathedral for the climax of her Diamond Jubilee celebrations today. She was greeted by the thousands of well-wishers who lined the streets of London once more.

1. The Queen leaves Buckingham Palace

Queen Elizabeth II is driven down the Mall on her way to St Paul's Cathedral to attend the Thanksgiving Service in her honour.
2. The Queen heads to St Paul's Cathedral

The Queen waves at well-wishers on her way to St Paul's Cathedral in central London. The Monarch has clearly been enjoying the Diamond Jubilee celebrations, often being photographed smiling and laughing.
3. The Queen arrives at St Paul's Cathedral

Queen Elizabeth II arrives at the Thanksgiving Service at St Paul's Cathedral. The Monarch wore a mint green outfit by designer Angela Kelly
4. The Queen arrives at St Paul's Cathedral

The Queen arrives at the cathedral.
5. The Duke and Duchess of Cambridge arrive at St Paul's Cathedral

The Duke and Duchess of Cambridge arrive at St Paul's Cathedral. Kate looks stunning in a pale pink Alexander McQueen lace dress
6. The Duchess of Cambridge

Kate Middleton is all smiles as she arrives at St Paul's Cathedral
7. The Duchess of Cambridge

Kate Middleton shows off her fashion flare
8. The Duchess of Cambridge and Prince Harry

Kate and Harry are all smiles as they arrive for the Thanksgiving Service. The brother and sister in law get on famously and have been great friends for years
9. The Duke and Duchess of Cambridge

The Duke and Duchess of Cambridge are snapped as they enter St Paul's Cathedral for the service in honour of the Queen, or 'grandma' to Prince William!
10. The Duchess of Cambridge

The Duchess of Cambridge arrives at the Thanksgiving service at Saint Paul's Cathedral
11. Princess Beatrice

Princess Beatrice goes for royal blue to honour the Queen...her beloved grandmother
12. Princess Beatrice arrives at St Paul's Cathedral

Princess Beatrice greets the crowds of well-wishers
13. Princess Eugenie arrives at St Paul's Cathedral

Princess Eugenie arrives at St Paul's Cathedral and waves at the crowds of well-wishers
14. St Paul's Cathedral

The stunning St Paul's Cathedral
15. St Paul's Cathedral

Queen Elizabeth II and the royals inside St Paul's Cathedral.
16. The Service at St Paul's Cathedral

The grand Thanksgiving Service
17. The Queen attends the Thankgiving Service at St Paul's Cathedral

The Queen is seen in St Paul's Cathedral.
18. The Royal Family during the Thanksgiving Service

Prince Harry, Kate Middleton, Prince William, the Duchess of Cornwall, Prince Charles and Queen Elizabeth II sing hymns during the service
19. The Duke and Duchess of Cambridge

Kate and Wills chat during the service. We wonder if the Queen told them off afterwards!
20. The Royal Family

Queen Elizabeth II and members of the Royal Family get ready to leave St Paul’s Cathedral following the Thanksgiving Service
21. The Queen

Queen Elizabeth II is all smiles as she leaves St Paul's Cathedral
22. Queen Elizabeth II

Queen Elizabeth II waves at the well-wishers
23. George and Frances Osborne

Chancellor George Osborne and his wife Frances attended the Thanksgiving service
24. Ed and Justine Miliband

Labour leader Ed Miliband and his wife Justine outside St Paul's Cathedral
25. Boris and Marina Johnson

London Mayor Boris Johnson and his wife Marina are snapped outside St Paul's Cathedral
26. The Archibishop of Canterbury

The Archbishop of Canterbury, Dr Rowan Williams, waves at the crowds of well-wishers
27. Well-Wishers

Many waited outside St Paul's Cathedral to see the Queen
28. Well-Wishers

Well-wishers gather outside St Paul's to celebrate the Diamond Jubilee and take a peak at the Queen
29. A Patriotic Well-Wisher

A well-wisher wears the Union Jack in honour of Queen Elizabeth II
30. The Earl and Countess of Wessex

The Earl, Sophie Countess of Wessex and their daughter, Lady Louise Windsor, greet the well-wishers outside St Paul's Cathedral
31. The Royal Family share a joke

Kate, Camilla, William and Harry share a joke on the steps of St Paul's Cathedral. Despite the formal event, the atmosphere was jovial and relaxed
32. The Duchess of Corwall and The Duchess of Cambridge

Camilla, Duchess of Cornwall and Kate Middleton, Duchess of Cambridge, pose together. The two women are said to be very close
33. The Royal Family

Prince Andrew, Duke of York, Prince Charles, Prince of Wales, Camilla, Duchess of Cornwall, Kate, Duchess of Cambridge, Prince Harry and Princess Anne pose for a few photographs before leaving St Paul's Cathedral
34. The Royal Family

Prince Andrew, Prince Charles, the Duke of Cambridge, the Duchess of Cornwall, the Duchess of Cambridge, Prince Harry, Princess Anne, Lady Louise Windsor, the Earl of Wessex and the Countess of Wessex are all smiles as they pose for photos on the steps of St Paul's Cathedral. It's great to see how much they've enjoyed the event, they must be very proud of the Queen!