Spears channels her best “Madonna-with-acoustic-guitar” here on “Criminal,” the only true ballad on the album. A skittery, “Don’t Tell Me”-like beat is accompanied by a sad strummy ...

The singer wore nothing but boots, a thong bodysuit, a hat and a smile while rocking out to the song from JT's 2002 debut album.

Britney Spears is a pop singer, dancer and performer. She rose to fame with the release of her 1999 hit single, "... Baby One More Time," from the debut album of the same name.