Alan Titchmarsh, the celebrity gardener, veteran broadcaster and now officially a national treasure, summed it up perfectly. "It's all a bit surreal," he said.
I could see why. We were sitting in an open top double decker - one of seven buses that where taking part in the Platinum Jubilee Pageant.
Each bus represented a decade during the Queen's reign, from the 50s through to the noughties. We were on the 60s bus and the seats on the top deck were occupied by some of the best-known and most loved British celebrities.
At the front of the bus I saw Valerie Singleton - former presenter of the iconic children's programme Blue Peter - taking a selfie with Basil Brush.
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