Glen Goodman caught up with ultra-royalist Margaret Tyler on The Mall earlier, after she'd waved the Queen past in her limousine.
Clearly this year's royal occasion did not disappoint.
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The London Marathon brings together thousands of people raising money for charity - not to mention some rather unusual costumes.
Planning on going to the London Marathon tomorrow? Read our handy guide first!
Celebrations to mark St George's Day have started in Trafalgar Square with feasts and tea to be found in abundance.