this list is a HOT MESS!!!
here let me make my own....
1. Britney Spears - 'Til It's Gone (honorable mention: Alien)
2. P!nk - The Great Escape
3. Beyoncé - End of Time (honorable mention: Blow)
4. Christina Aguilera - Let There Be Love (honorable mention: Army of Me)
5. Madonna - Gang Bang (honorable mention: I'm Addicted, can't include "Rebel Heart" songs because don't know yet which will become singles)
6. Lady Gaga - Scheisse (honorable mention: Gypsy)
7. Shakira featuring Magic! - Cup Me Deep (honorable mention: You Don't Care About Me)
8. Justin Timberlake - Don't Hold the Wall, Strawberry Bubblegum, Amnesia (three-way tie)
9. Kylie Minogue - Feels So Good (honorable mention: Les Sex (both from Kiss Me Once); the whole damn "Aphrodite" album

especially Illusion, Aphrodite, Everything Is Beautiful, Closer)
10. No Doubt - One More Summer
11. Kelly Rowland -Feeling Me Right Now (Lay It On Me ruined the era

)
12. Avril Lavigne - Everybody Hurts (best song on Goodbye Lullaby)
13. Katy Perry - Legendary Lovers (honorable mention: Walking on Air)
14. Rihanna - Jump
15. Nelly Furtado - Believers (Arab Spring)