Girlfriend is a song by Avril Lavigne, and is a major singles from her third album, The Best Damn Thing, released in 2007. Produced by Lukasz "Dr.. Luke" Gottwald. Girlfriend became her biggest single in the United States, occupying the # 1 position there.
In Australia, which also successfully in position # 1 for six weeks, and in Britain succeeded in occupying a position to # 2. Remix version sung with pe-rep Lil Mama, was released in June 2007. Music video of this song is the most frequently viewed videos on Youtube site second, more than 80 million times as of April 17, 2008
Live Version :