Jessica Simpson Ignites Indiana

Jessica Simpson performs at the 2008 Indiana State Fair in Indianapolis, Indiana on Thursday.

The 28-year-old singer sang several songs from her latest album, and also covered Dusty Springfield‘s “Son of a Preacher Man” and John Michael Montgomery‘s “Sold (The Grundy County Auction Incident).”

Jessica‘s dad, Joe Simpson, was escorted by seven state troopers when he walked through the members of the audience.

20+ more pics inside of Jessica Simpson igniting the Indiana State Fair…