Genres

Pop

 * Alternative pop: Badlands, Cry Baby
 * Bubblegum pop: The Best Damn Thing
 * Dance pop: Animal, Blackout, Cannibal, Lady Wood, Queen of the Clouds, Witness
 * Dark pop: Badlands
 * Disco: Blackout
 * EDM: Witness
 * Electropop: Animal, Badlands, Blackout, Cry Baby, Hopeless Fountain Kingdom, Lady Wood, Queen of the Clouds, Warrior, Witness
 * Emo pop: Under My Skin
 * Indie pop: Cry Baby
 * Pop: Britney, Confident, Dangerous Woman, Hopeless Fountain Kingdom, Let Go, My Everything, Prism, Teenage Dream
 * Pop punk: Let Go, The Best Damn Thing
 * Synthpop: 1989, Badlands, Hopeless Fountain Kingdom, Lady Wood, Queen of the Clouds
 * Tech house: Lady Wood
 * Techno: Blackout

R&B

 * R&B: Britney, Confident, Dangerous Woman, Hopeless Fountain Kingdom, My Everything

Rock

 * Alternative rock: Let Go, Under My Skin
 * Post-grunge: Let Go, Under My Skin
 * Rock: Teenage Dream, Warrior