I chose 5 singles so it would avoid confusion, and prevent a wide tally. Hero is a no-brainer. I can't believe I forgot it
For Mariah Carey, the most iconic song is:
All I Want For Christmas Is You
Alright, next up is Queen of Pop: Madonna. Since it's the Queen of Pop, I'm gonna provide 10 singles to choose from, but feel free to pick your own.
Like a Virgin
Material Girl
Papa Don't Preach
Vogue
Like a Prayer
Express Yourself
Justify My Love
Take a Bow
Ray of Light
La Isla Bonita
(OTHER)