Controversial quotes:

"There is no truth to the rumors that we hate each other. I have no ill feeling for Britney and vice versa. I am proud of all the achievements she has made in her career, she is a very hard working person. I have nothing, but love for her."
(check out this!)

from a Rolling Stone interview:
"I'm no virgin, I'm all for female sexuality and taking the sexual power away from the guys. They've had it for way too long."

from a NOW interview
"I'm a proud, sexual girl -- a woman, actually"

(Quite obviously, this are reactions to Britney Spears' chastity vows.)

"I want a bad boy in public, and a pussy cat at home!"
-Christina Aguilera

There are reports of Christina endless partying and drinking, appearing in strip joints, having a short temper and disliking every hotel and dressing room she's ever been in.