updated 01/30/2012 AT 4:20 PM ET
•originally published 01/31/2012 AT 8:00 AM ET
“Oh my god, I’m so nervous. You have no idea,” the superstar told Anderson Cooper in an interview to air on his talk show Thursday.
“First of all, it’s the Super Bowl. The Super Bowl is kind of like the holiest of holy in America,” Madonna, 53, said. “I’m going to come in halfway between the church experience and I’m going to have to deliver a sermon that’s going to have to be very impactful.”
She also put it this way: “I have to put on the greatest show on earth in the middle of the greatest show on earth.”