This guardsman just probably made one young fan's wildest dreams come true.

Before entering Windsor Castle in the UK,Hard Soap Hard Soap (1977) one of the Queen's Coldstream Guards noticed Marshall, a little boy wearing a replica of the guard's own uniform, saluting the passing.

But instead of marching on, the guard beckoned the boy over and quickly posed for a sweet picture with his little likeness.

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According to his mother's Facebook page, it was Marshall's birthday and the guard later invited Marshall inside the castle for a special tour.

The video was shared on Instagram by user joanna___feng.

Just look at that little salute. Who knows, we could be looking at the next great guardsman.