With the tens of thousands of lipstick shades available in the world, knowing which ones reign supreme would be pretty interesting. Well now you can. One of the world’s largest airports, London Heathrow Airport, recently compiled a report on the lipstick buying habits of women all over the world. Aptly dubbed the International Lipstick Colours Of The Year Report, it reveals which shades are most popular in 50 of the destinations they fly to. Follow the link below to see a breakdown by city. (We’re surprised by Washington’s pick!)