DES MOINES, Iowa — The Iowa State Fair on Tuesday teased another Grandstand act.

The fair posted this zoomed in photo to their Facebook page, with dozens of people guessing at who it could be.

So far, the fair has released seven of the 11 acts playing the Grandstand. Below is the list of the acts announced and the dates:

• Thursday, August 7: Forrest Frank with special guest Lecrae
• Friday, August 8: Parker McCollum with special guest Josh Abbott Band
• Saturday, August 9: Megan Moroney with special guest Kameron Marlowe
• Sunday, August 10: NOT ANNOUNCED
• Monday, August 11: NOT ANNOUNCED
• Tuesday, August 12: NOT ANNOUNCED
• Wednesday, August 13: Hairball’s Silver Anniversary Tour
• Thursday, August 14: Def Leppard
• Friday, August 15: NOT ANNOUNCED
• Saturday, August 16: T-Pain
• Sunday, August 17: Kidz Bop Live