After stepping through the front doors of LA's new Mayfair Hotel, one might be forgiven for feeling as though they've just stepped off a sleek transcontinental express train during the Jazz Age ...

Mayfair is now up there with Gstaad, St Moritz and Monaco as a favourite playground among the world's super-rich. Read more: Showing off in your supercar will soon be a crime in Kensington & Chelsea ...