Singer Ke$ha has revealed that she knew everything about sex before she even hit puberty.



"I knew everything about sex before I was even seven," the New York Daily News quoted Ke$ha as telling London''s Times on Sunday.

"My mom left me at home when I was 14 with a credit card, and a box of condoms and the keys to the car and said, ''Don''t get pregnant and don''t drink and drive."

"I had to be responsible for myself," according to Contactmusic.