Working with Britney Spears and bagging their first number one.
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The Story Of How Pharrell Became The Most Influential Man In Music

5. Working with Britney Spears and bagging their first number one.
After a mutual friend introduced both the guys to Kelis in 1999, they worked on her debut album 'Kaleidoscope.' The result meant they started to get an audience and big jobs including producing Britney Spears 2001 single 'Slave 4 U,' followed. It was that song that got the duo their first number one.