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HOUSTON, UNITED STATES: Janet Jackson and Justin Timberlake perform at half-time at Super Bowl XXXVIII at Reliant Stadium, 01 February 2004 in Houston, TX. AFP PHOTO Jeff HAYNES (Photo credit should read JEFF HAYNES/AFP via Getty Images)

HOUSTON, UNITED STATES:  Janet Jackson and Justin Timberlake perform at half-time at Super Bowl XXXVIII at Reliant Stadium, 01 February 2004 in Houston, TX.  AFP PHOTO Jeff HAYNES  (Photo credit should read JEFF HAYNES/AFP via Getty Images)