Where worldly interests supersede national interests as we merge towards a global economy.
An example would be the U.N., where nation/states work collectively to achieve co-operative interests. "North Korea just doesn't understand that internationalism is not just a U.S. ideal, it's also the rest of the world's ideals.
When loads of good looking girls from all over the world converge on one place, like Ibiza, Miami or Rio, and some of them just excel above the rest... That's Internationally Good Looking.
Good Looking is also disambiguated as Fit and Hot, at least where I'm from...