Ariana Grande sings Pop Music.
bubblegum
narco corridos
It is a new age music, some say it is folk , or world music, you can't really say it is a classical kind of music, it is a style of its own!
I know alot of industrial music and neo-shock rock aswell as nu rock come from europe
Parody music
They sing like pop music, but they also sing rock with Rammestei, their current music is considered pop-electronic
cool music
they used to sing Latin Pop
Pop
Rap
Reggae.
Rock!
zac efron music
Louis Tomlinson and the rest of One Direction sing Pop music mostly.
slows
he does not sing