The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake performs at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake performs at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake performs at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake performs at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake and Jay-Z perform at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake and Jay-Z perform at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake and Jay-Z perform at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake and Jay-Z perform at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake and Jay-Z perform at the stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (L) and rapper Jay-Z perform onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake performs onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (C) performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (L) and rapper Jay-Z perform onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (C) performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (L) and rapper Jay-Z perform onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (C) performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (C) performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (C) performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake (C) performs onstage at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
US-MUSIC-GRAMMY AWARDS-SHOW
Justin Timberlake speaks on stage at the Staples Center during the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Joe KLAMAR (Photo credit should read JOE KLAMAR/AFP/Getty Images)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singers Justin Timberlake and Jay-Z onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
The 55th Annual GRAMMY Awards - Show
LOS ANGELES, CA - FEBRUARY 10: Singer Justin Timberlake onstage during the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS)
Justin Timberlake
Justin Timberlake performs on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake
Justin Timberlake performs on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake
Justin Timberlake performs on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake, Jay-Z
Justin Timberlake, left, and Jay-Z perform on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake
Justin Timberlake performs on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake, Jay-Z
Justin Timberlake, left, and Jay-Z perform on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake, Jay-Z
Justin Timberlake, left, and Jay-Z perform on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake, Jay-Z
Justin Timberlake, left, and Jay-Z perform on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake, Jay-Z
Justin Timberlake, left, and Jay-Z perform on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake
Justin Timberlake performs on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake, Neil Portnow
Justin Timberlake, left, and Neil Portnow, president of the National Academy of Recording Arts and Sciences, speak on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake
Justin Timberlake performs on stage at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Justin Timberlake
Musician Justin Timberlake arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Justin Timberlake
Musician Justin Timberlake arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
The Huffington Post UK | Posted: 15/02/2013 11:20 GMT | Updated: 15/02/2013 11:20 GMT