The 100-year anniversary of the Grand Ole Opry is being celebrated on Wednesday night.Country superstar Blake Shelton is hosting the event, titled the "Opry 100: A Live Celebration," on March 19, which is airing on NBC. The official 100th anniversary of the Grand Ole Opry is in November, and the country music house will be celebrating all year long.Jelly Roll, Reba McEntire, Post Malone, Carrie Underwood, Trace Adkins, Lainey Wilson and Kelsea Ballerini are all set to take the stage.Shelton and his wife Gwen Stefani graced the carpet prior to the ceremony. Shelton wore a pair of blue jeans, with
