Michelle Williams says she had more important things to do than to attend Kelly's birthday.

The fight continues for them remember how Michelle Williams slammed Beyonce's new album and Beyonce cropped her  out of a picture on Instagram. the new drama is this, Michelle was not invited to the party  Beyonce threw for Kelly Rowland on February 11th.

Knowing fans, they asked Michelle why she was not invited,  and she fired back by saying she had better things to do. Read her tweet below...