So the weather may have been a little unforgiving, and the traffic in central London a bit of a nightmare, but that didn't stop well wishers up and down the country having a grand ol' time in honour of her majesty - including this inquisitive squirrel here.
Sneaking his way onto a Union Jack-adorned garden table, he decided to try some of the trifle that was laying out there - and from the looks of things, he really rather enjoyed it, getting cream on his nose, claws and whiskers.
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Of course, this isn't the only snap of the cheeky chap the trifle's owner took, and for more pics of the rascally rodent, take a look at our little gallery below...