FIXED! didn't understand the theme thoroughly
1. Britney Spears - ...Baby One More Time (genetic fail)
2. Lady Gaga ft. Colby O'Donis - Just Dance (TheGeoKing)
3. Adele - Rolling In The Deep (ReginaGeorge)
4. Rihanna ft. Jay-Z - Umbrella (VilsonMuqa)
5. Ke$ha - TiK ToK (dvntrcks)
6. Beyonce featuring Jay-Z - Crazy In Love (DRjuss06)
7. Christina Aquilera - Genie In A Bottle (Simon2011)
8. Ciara - Goodies (quiqui4eva)
9. Owl City - Fireflies (mathuss)
10. Rihanna - SOS (LaVitaFenty)
11. Chris Brown - Run It ($CBCOOL$)
12. Katy Perry - I Kissed A Girl (XtremeSteel)
13. Spice Girls - Wannabe (Ray Bass)
14. Nelly Furtado ft. Timbaland - Promiscous (Topher)
15. Jennifer Lopez - If you had my love (Solarie)
16. Avril Lavigne - Girlfriend (TheCircle94)
17. Kelly Clarkson - A Moment Like This (t.A.T.u.)
18. Fergie - London Bridge (karlo_98)
19. Maroon 5 - Makes Me Wonder (josh_923)
20. Pitbull ft. Ne-Yo, Afrojack & Nayer- Give Me Everything (jbstatic23)
21. Janet Jackson - When I Think of You (masaru.chesney)
22. Mariah Carey & Boyz II Men - One Sweet Day (Billiejoe)
23. Leona Lewis - Bleeding Love (Mr. Duff)
24. Shakira ft. Wyclef Jean - Hips Don't Lie (Strangergab)
25. Black Eyed Peas - Boom Boom Pow (Remeese)
26. Kanye West - Gold Digger (MrHiphy)
27. LMFAO - Party Rock Anthem (feat. Lauren Bennet & GoonRock) (stereo.love)
28. Alicia Keys - Fallin' (musiclove)
29. Destiny's Child -
Bills, Bills, Bills (Nait Phoenix)
30. Usher – Yeah! (RawrEmyro)
31. N'SYNC - It's Gonna Be Me (fiercE)
32. Gwen Stefani - Hollaback girl (Karlosvzla)
33. P!nk - Lady Marmalade (activebeast)