Britney Spears — a force of nature — stunned the music industry when she dropped her music video, I'm a Slave 4 U.However, when she recorded the music video, she was just

When you think about Y2K style, it's hard not to think of Britney Spears and Justin Timberlake, especially their unforgettable Canadian tuxedo moment.

Brian Friedman recalled working with Britney Spears for her ‘I’m a Slave 4 U’ music video in an exclusive interview with PEOPLE, stating that the pop star ‘was unstoppable’ while working on the project.

Britney Spears was just 19 when she helped deliver one of pop’s most memorable videos, and Brian Friedman remembers exactly why she owned it.