I like 3 out of 50 mainstream artists

I like..
1. Lady Gaga []
2. Bruno Mars [x]
3. Justin Bieber []
4. Jennifer Lopez [ ]
5. Britney Spears []
6. Cee Lo Green [?]
7. Selena Gomez []
8. Pitbull []
9. Jay-Z []
10. Beyonce []
11. Justin Timberlake []
12. Rihanna []
13. Ke$ha []
14. Nicki Minaj []
15. Katy Perry []
16. Ne-Yo []
17. Michael Jackson []
18. Elvis Presley []
19. P!nk []
20. Taylor Swift [X]
21. Flo Rida []
22. Black Eyed Peas []
23. Miley Cyrus [X]
24. Kings of Leon []
25. Muse [X]
26. 3OH!3 []
27. Jay Sean []
28. Rebecca Black []
29. Madonna []
30. Jason DeRulo []
31. Alicia Keys []
32. Chris Brown []
33. Leona Lewis [?]
34. Adele []
35. Nelly Furtado []
36. Usher []
37. Avril Lavigne [x]
38. Christina Aguilera []
39. Elton John []
40. Kanye West []
41. Nicole Sherzinger [?]
42. Lily Allen [?]
43. Mary J. Blige [?]
44. Eminem []
45. Robbie Williams [?]
46. Shakira []
47. Kelly Clarkson []
48. Mariah Carey []
49. Green Day []
50. Missy Elliot [?]