A- adele
B- beyonce
C- christina aguilera
D- demi lovato
E- evanescence
F- faith hill
G- glee cast
H-hilary duff
I- Il Divo
J- justin timberlake
K- Kelly Clarkson
L- lady gaga
M- madonna
N- natasha bedingfield
O-olivia newton john
P- pat benatar
Q- Queen with lady gaga
R- Rihanna
S- selena gomez and the scene
T- taylor swift
U- usher
V- vanessa carlton
W- whitney houston
X- x-zibit
Y- yellowcard
Z- Zao