Blake Shelton

He rang in the new year by sharing the song on live TV ... which prompted some less-than-favorable reactions.

Yee-haw!

Shelton has gotten close to Stefani's three boys, so he made sure they had their say.

The pop singer and 'The Voice' coach showed off her new ring in a picture.

Legend went so far as to trot out a funny election-spoof video saying "isn't it time you pick a coach you can believe in?"

The show — called 'In God's Country' — has a script commitment at NBC and would focus on a farm family in the midwest.