At Super Bowl Halftime Show, Janet Jackson and Justin Timberlake were performing a duet of their songs "Rhythm Nation"/"Rock Your Body".
As the song reached the final line, "I'm gonna have you naked by the end of this song", Timberlake pulled off a part of Jackson's costume, revealing her right breast which was partially obscured by a sun-shaped, metal nipple decoration.
Jackson's spokesman said the incident "was a malfunction of the wardrobe;it was not intentional. ... He was supposed to pull away the bustier and leave the red-lace bra."
This scandal has also been referred to as "Nipplegate", a reference to the Watergate.