Mercury artist Terri Clark was invited to become a member of the Grand Ole Opry during her appearance at the venerable Nashville institution Saturday (May 15).

Mercury artist Terri Clark was invited to become a member of the Grand Ole Opry during her appearance at the venerable Nashville institution Saturday (May 15).

She will be the first Canadian woman to become an Opry member at her formal induction, set for June 12.

Clark was surprised during her performance by her mother and Opry member Steve Wariner, who joined her on stage to extend the invitation to join the Opry cast.