ET breaks down all the memorable performances and big winners from the 2021 CMT Music Awards, which aired June 9 on CMT. Lady A kicked the night off with Like a Lady. Gladys Knight and Mickey Guyton gave us a duet for the ages. Carrie Underwood and John Legend took home one of the shows highest honors, Video of the Year. And Lindsey Ell reveals how she ended up on-stage with a broken foot!