Janet Jackson performs at the Super Bowl XXXVIII halftime show in 2004 in Houston. (Kevin Mazur/WireImage via Getty Images) Before the Super Bowl halftime show became the spectacle it is today ...

Janet Jackson and Justin Timberlake during the Super Bowl XXXVIII halftime show on February 1, 2004 | Frank Micelotta/Getty Images While performing “Rock Your Body,” Timberlake pulled off part ...

The Super Bowl XXXVIII halftime show in February 2004, headlined by Janet Jackson with guest Justin Timberlake, took an unexpected turn when their performance of "Rock Your Body" concluded with ...