The Voice blooper reel: Blake Shelton, Adam Levine, Pharell & Christina Aguilera get silly. Starring Blake Shelton, Adam Levine, Pharell, Christina Aguilera .<br>Blake Shelton, Adam Levine, Gwen Stefani and Pharrell Williams trade off on each others songs, singing Neon Light, Dont Speak, Sugar and Get Lucky.<br>Check out some of the off-the-cuff moments between Adam Levine, Gwen Stefani, Pharrell Williams, Blake Shelton and key advisor Rihanna this season.<br>Adam hates to lose. Pharrell gives out the most genius, poetic advice. Here are nine tried and true moments you know and love and can be sure to see during .<br>
