“Like many military men in Europe, and like very few in clean-shaven England, the Duke of Brunswick had a huge moustache. Charlotte adored it. After their first meeting in Blackheath, according to George Keppel, she went back to Warwick House, painted a black moustache on her face and marched up and down in a military manner barking guttural expletives, which she hoped very much sounded like German swearwords.”
Leopold grew a moustache for her after they were married because she was so impressed with her uncle, the Duke of Brunswick’s.
The girl knew what she liked.