Girlfriend
Avril Lavigne Best Damn Thing (2007)
Directed by The Malloys, U.S.
This video, shot at Golf 'n' Stuff in Norwalk, California (home of some actual photobooths not used in the video), features Avril Lavigne in a dual role, as two girls competing for the affection of one boy.
According to its Wikipedia entry, the video is the most viewed music video on YouTube, and was the most played video on MTV.com in 2007.
Contributed by Brian