Miranda Lambert has had her share of heartbreak ... and although Lambert was engaged to country singer Jeff Allen McManus at the time, she spoke of an instant connection to Shelton.

After Miranda Lambert announced that she would be opening for Morgan Wallen on his I’m The Problem tour, her followers expressed their disapproval in her Instagram comments. See her reaction.

Many Miranda Lambert fans are angry about her joining Morgan Wallen's I'm the Problem Tour but she laughed off their comments.