Yeah actually gonna do a pop one right now.
Pop top 10:
Demi Lovato
Katy Perry
Michelle Branch
Britney Spears
Rihanna (whether she counts as pop or not idk but she's getting added)
Jason Derulo (same as Rihanna)
Kelly Clarkson
Rachel Platten
Selena Gomez
Taylor Swift
Honorable mention: legend Ke$ha
(although some of these I literally only like about 3 of their songs but the ones I do like are legendary
)