Blake Shelton and Miranda Lambert are getting divorced ... TMZ has learned. The couple filed divorce docs a while ago, and a judge is expected to officially end their 4 year marriage today. We're told Blake is the one who filed. We're also told all the financial arrangements have been worked out ... made easy by the fact that they have a prenup. The divorce was filed in Oklahoma. Read more: http://www.tmz.com/#ixzz3gS82PivQ

This is unexpected and sad. Well you never know what really goes on in other peoples marriages.

I'm not surprised. Near the beginning they were inseperable and now you hardly see them together.