They were gone for a minute, but they're back again. Christina Aguilera and CeeLo Green have officially arrived back to the set of the NBC reality competition, The Voice. Check out the official promo picture of the season 5 cast which includes, Adam Levine, Blake Shelton, CeeLo Green and a svelte Christina Aguilera. Season 5 premiere on September 23rd. Tattlers, which judge are you rooting for?