For me, it's a clear story, so almost all opinions are partially correct.
A kind of ease of English helps a lot against other languages.
But without the colonial power of the United Kingdom and the hegemony of 20th-century U.S. power, English would not have any particular dominance in many parts of the world.
In the case of Alizée, the voice is decisive, even if she sang in Swahili, it would be the most beautiful and best female singing voice in the world!
