1. Koda Kumi
2. Namie Amuro
3. Ayumi Hamasaki
4. BoA
5. Hikaru Utada
6. Ami Suzuki
7. Ai Otsuka
8. hitomi
9. alan
10. ayaka
11. aiko
12. Morning Musume
13. Berryz Kobo
14. C-ute
15. Hitomi Shimantai
16. DA PUMP
17. EXILE
18. Tohoshinki
19. glay
20. globe

The order of my list changes really often, it depends on my mood which singer I like more... Oh well, here's my current list:

1. ayumi hamasaki
2. Koda Kumi
3. Aira Mitsuki
4. Namie Amuro
5. Utada Hikaru

^Well yeah...I mean she's been on my list before but never @ #1...I guess that...since Hikki is so boring now...Ive been rediscovering why I liked Ayu in the first place...

1. Koda Kumi
2. Utada Hikaru
3. Emi Hinouchi
4. Clazziquai Project
5. immi

-BoA.
-Koda Kumi.

They'll always be my top two. The next three are "flavour of the months" for me:

-Okuda Miwako.
-DBSK.
-Wonder Girls.

- Koda Kumi
- BoA
- Ayumi Hamasaki
- 2NE1
- Ai Otsuka

Very hard...

1. Ayumi Hamasaki (no question)
2. Yuna Ito
3. Tohoshinki
4. YUI
5. 2NE1

1)Ayumi Hamasaki
2)FT Island
3)SNSD
4)Wonder Girls
5)Koda Kumi

Change:
1. Perfume
2. Ayumi Hamasaki
3. alan
4. Utada Hikaru
5. Koda Kumi

it's really hard to decide this and I'm not sure 100% in the list but here we go:

1.Ayumi Hamasaki
2.alan
3.Ai Otsuka
4.Namie Amuro
5.Yuna Ito

I wanted to fit these in the list too: Nana Tanimura, Ami Suzuki, Chihiro Onitsuka

these're the 5 new acts that I came upon in recent times which I totally adore

1) Saito Kazuyoshi
2) Dew
3) SID
4) ON/OFF
5) Suga Shikao

mine :
- ayumi hamasaki & L'Arc~en~Ciel
- dbsk
- namie amuro
- koda kumi
- BoA

i love 2NE1, super junior, wondergirls, girls' generation, big bang, 2PM, SHINee, etc too ~

01 Ayumi Hamasaki
02 Namie Amuro
03 Kumi Koda
04 Ai Otsuka
05 Hitomi Shimatani
---
I'm not really like BoA & Hikki lately,their song not pretty good
next,if hitomi shimatani don't make another crossover song,maybe i'll left her too

01. HIGH and MIGHTY COLOR
02. Rie fu
03. Ikimono Gakari
04. Ayumi
05. OLIVIA

Hmm...

1. Ayumi Hamasaki
2. Brown Eyed Girls
3. Aira Mitsuki
4. Kago Ai
5. tes.

Lol, 4 Japanese and 1 Korean band...

I have them now. :D

-NOT IN ANY ORDER-

1. Ayu
2. Kuu
3. Hata-san (Hata Motohiro)
4. Ken-Ken (Ken Hirai)
5. Tohoshinki

omg for once 3 males > 2 females! :O