Royalist Margaret Tyler has over 10,000 pieces of regal memorabilia, has met the Queen several times and names rooms in her house after royal residences. Click here to watch ITV London's interview with the capital's biggest royalist.
Here's what some of the pilots saw from the cockpit during the spectacular Diamond Jubilee flypast.
41 children from all corners of the UK formed a Diamond Choir to perform for the Queen today
In a rare address the Queen thanked the millions who joined the festivities which she hoped would "brighten our lives for many years".