Taylor Swift joins 'The Voice' season 7 as advisor

Taylor Swift has joined the seventh season of the reality show 'The Voice' as an advisor, it has been revealed.The 24-year-old singer will be working alongside veteran coaches Blake Shelton and Adam Levine, as well as newcomers Pharrell Williams and Gwen Stefani, People Magazine reported.Little Big Town, Stevie Wonder, Alicia Keys and Stefani's husband, Gavin Rossdale, are already on board as advisors on the singing reality show.