The Voice Blake Shelton "could propose" to Gwen Stefani "very soon," source close to 'The Voice' coach says 04/13/2016 Blake Shelton is reportedly ready to pop the question to Gwen Stefani. Read More RELATED NEWS Gwen Stefani joins CNN's New Year's Eve broadcastChristina Aguilera denies she quit 'The Voice' due to Gwen StefaniChristina Aguilera slams 'The Voice' -- "It's not about music" TAGS: The Voice Miranda Lambert Blake Shelton Gwen Stefani Gavin Rossdale