Eagle-eyed royalists - or anyone with a pair of eyes, really - will have noticed a couple of Jubilee-themed Marmite posters slapped up on walls and hoardings over the past few weeks.
But now we've got a full video advert for the campaign, showing a royal pooch scampering about Buckingham Palace before encountering a plate full of the black stuff.
The result is... one that may worry anyone who's had their carpets cleaned recently, but there's no doubting its cuteness. After all, we've got corgis and royalty here - how could it not be cute?
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