Funny...
I always thought this song was more a blatant rip-off of Toni Basil's
"Mickey"
...at least in the verse drum sound/pattern.

----- Original Message ----- 
> Canadian punk princess Avril Lavigne is being sued by U.S.
> songwriters who claim that her smash hit "Girlfriend" sounds
> suspiciously like a single they released in the 1970s.