I'd like GUY to do better, but think Birthday will probably do better in the US and that it could be close WW. Birthday is terrible, I don't understand Katy stans loving it. Legendary Lovers would be good single material, but Birthday is so cringey and stupid it's
I voted in favour of G.U.Y., since it's clearly a better song, but Katy Perry is on fire, so yeah, she's gonna sell more. And Birthday is awful and so boring.
I prefer G.U.Y, but I see Birthday being bigger. Even though I might say that I can't picture Birthday being a WW hit and more US based, which leads me to believe G.U.Y probably won't smash even in the US. But let's hope I'm wrong and both do well.