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Entertainment

The Voice USA 2014 Gwen and Pharrell Spark The Fire

Gwen and Pharrell reveal how their new collaboration "Spark The Fire" came about and why the song is so important.

  • Duration: 01:48

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The Voice USA 2014, Gwen and Pharrell Spark The Fire, entertainment, tv, television, live show, reality show, The Voice, The Voice USA, Gwen Stefani, Pharrell Williams, Blake Shelton, Adam Levine