The couple started dating in 2015 after meeting on NBC's "The Voice."
(Undated) -- Blake Shelton tells "People" he and Gwen Stefani can't get married right now.
The couple started dating in 2015 after meeting on NBC's "The Voice."
Blake says Gwen is Catholic and wants to get married in a church, but in order to do that, her previous marriage has to be annulled. Blake says that's a very long process.