"Pol Roger is a firm favourite of the Royal Family," she explained, adding that the Queen only selects "the good stuff for the state occasions and royal banquets."
In Oz, a Pol Roger non-vintage retails for $69.99 a bottle at Dan Murphy's, while the label's Sir Winston Churchill Brut Vintage comes in at an incredible $319.99.
Churchhill, a former British prime minister was a famous fan of the sparkling beverage.
According to the documentary, both Prince Harry and Meghan, and Prince William and Kate served the non-vintage variety at their wedding receptions.
So what does one serve with such a decadent drop?
According to royal historian Kate Williams, a three course meal fit for a queen!
"The first course is Dover sole with Morecambe Bay shrimps in a light saffron cream and that’s very typical.
"The Queen really likes to showcase British food if she can," Kate explains, referencing a "typical menu" from a state banquet.
"The main course is pot-roasted Windsor Estate pheasant with pickled cabbage and port and truffle jus, broccoli and potatoes.
"That really shows how much the Queen loves to serve local food from her local estates.
"The dessert was a light mango and passion fruit cream entreat."
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