AdvertisementRedefining Hollywood: 'Diversity Makes More Money'February 12, 2014Eric DeggansfacebookEmailNBCUniversal's The Voice judges Adam Levine (from left), Christina Aguilera, CeeLo Green and Blake Shelton at the Season 3 Red Carpet Event at The House of Blues Sunset Strip in West Hollywood, Calif., in 2012. (Getty Images)