Email a copy of "GIRLS GONE WILD (kitty kitty)" to a friend.
Britney Spears spent every night of Thanksgiving weekend in Los Angeles partying until 6am with new BFF Paris Hilton and the late nights are taking their toll.
A source tells the New York Post: "Britney has been missing recent recording sessions because she has been out all night partying. Her label, Jive, is very worried."
The troubled pop...
