NBC has released the first teaser promo for 'The Voice' Season 7, which will debut on Sept. 22, and we have our first look at Gwen Stefani and Pharrell joining Adam Levine and Blake Shelton on the judges panel.
LAS VEGAS - SEPTEMBER 22: Singer Gwen Stefani greets fans after the unveiling of her wax figure at Madame Tussauds Las Vegas at the Venetian Resort Hotel Casino September 22, 2010 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)