VIDEO : Gwen Stefani: Blake Shelton is the ?Michael Jackson of Country Music?

Gwen Stefani thinks very highly of Blake Shelton. After Shelton, 39, took home the Artist of the Year honor at the 2015 CMT Awards on Wednesday night, Stefani, 46, took to Instagram to praise her boyfriend. Sharing a video of a manicurist painting a portrait of Shelton?s face onto a fingernail, the No Doubt frontwoman gushed, ?Congrats?@blakeshelton #cmtartistoftheyear #michaeljacksonofcountrymusic.? ?Let me just say that I want to thank my label and thank my entire team,? Shelton told the crowd.