Kelly Clarkson Covers The White Stripes' 'Seven Nation Army' - Watch

Kelly Clarkson has covered The White Stripes' 'Seven Nation Army' – you can listen to it below on Gigwise.

The singer surprised fans when she included the track during her performance at the Sugar Bowl in New Orleans.

Kelly introduced the track to the audience: "This is one of my favorite songs I've ever covered. I hope you like it."

Last year, Kelly Clarkson claimed that 50 songs she had been working on for her new album have leaked online.

The American Idol singer told her Facebook fans she had returned from holiday in Tahiti when she was told about what had happened.

"I get back in the States from a vacation and somehow 50 of my songs are leaked on the Internet?!” she said.