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Mainstage Theatre - College of Lake County will host Katie: The Strongest of the Strong on Thursday 16th October 2025, 10:00AM in Grayslake, Illinois. Select your Katie: The Strongest of the Strong tickets above using our secure ticket checkout. Your Mainstage Theatre - College of Lake County tickets will arrive before the Katie: The Strongest of the Strong event on Thursday 16th October 2025, 10:00AM.