The butter cow was unveiled in Springfield to honor Illinois dairy farmers.
Every year the cow has a new design to represent the fair's theme. The 2024 theme is "It's Showtime!"
The fair runs through August 18.
Some of the Grandstand headliners include Miranda Lambert, Keith Urban, Lil Wayne, Smashing Pumpkins, Sheboozey and the Jonas Brothers.
Admission tickets are not included in price of the Grandstand ticket.
To see the full list of events, click here.
To see a map of fairgrounds, click here.