In a weekend celebration fit for the grandeur of Canada's newest and largest casino resort, two of the most captivating and influential artists of our time will deliver unforgettable performances in the brand new, 5,000-person The Theatre, marking the beginning of an era that blends world-class live entertainment with the excitement of Toronto's premier casino destination. 7, 2023 /CNW/ - Great Canadian Entertainment proudly announces that Great Canadian Casino Resort Toronto will celebrate its official Grand Opening with three-time GRAMMY® Award winner Gwen Stefani performing on Friday, May 3, 2024, and five-time CMA Male Vocalist of the year and multiple ACM Award winner Blake Shelton performing on Saturday, May 4, 2024. Gwen Stefani and Blake Shelton will perform back to back shows during Official Grand Opening Weekend at Great Canadian Casino Resort Toronto on May 3 and May 4, 2024.