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Recording artists Guy-Manuel de Homem-Christo (L) and Thomas Bangalter accepting their award for Best Pop Duo/Group Performance during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NARAS) ( 465303347 )

Metallica performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465336715 )

Singer Pink performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465312025 )

Singers Nate Ruess (L) and Pink perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465311403 )

(L-R) Musicians Nile Rodgers, Pharrell Williams, Thomas Bangalter and Guy-Manuel de Homem-Christo of Daft Punk, and Stevie Wonder perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465331199 )

(L-R) Rapper Macklemore, singers Mary Lambert and Madonna, musicians Ryan Lewis and Queen Latifah perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465358091 )

Audience members participate in a same sex wedding during a performance of "Same Love" by Macklemore and Ryan Lewis at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. With Queen Latifah presiding from the stage and the music playing, 33 straight and gay couples lined the aisle dressed in wedding finery. Under Latifah's command, they exchanged rings near the end of Sunday night's show televised on CBS. (Photo by Matt Sayles/Invision/AP) ( ADDITION The 56th Annual GRAMMY Awards - Show )

Audience members participate in a same sex wedding during a performance of "Same Love" by Macklemore and Ryan Lewis at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. With Queen Latifah presiding from the stage and the music playing, 33 straight and gay couples lined the aisle dressed in wedding finery. Under Latifah's command, they exchanged rings near the end of Sunday night's show televised on CBS. (Photo by Matt Sayles/Invision/AP) ( ADDITION The 56th Annual GRAMMY Awards - Show )

(L-R) TV personality Ryan Seacrest, musician John Legend, and Recording Academy President Neil Portnow speak onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465357883 )

Musicians Willie Nelson and Kris Kristofferson perform "Highwaymen" onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465367997 )

(L-R) Musicians Ben McKee, Dan Reynolds, Wayne Sermon, and Daniel Platzman of Imagine Dragons, winners of the Best Rock Performance Award for "Radioactive" pose in the press room during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images) ( 465368263 )

Keith Urban, left, and Gary Clark, Jr. perform "Cop Car" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Singer Katy Perry performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465292715 )

Singer Katy Perry performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465292459 )

Singer Lorde performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465283667 )

Singer Beyonce and rapper Jay Z perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465278489 )

Singer Kacey Musgraves performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465320199 )

Singer Kacey Musgraves (boot detail) performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465320451 )

Musicians Miranda Lambert and Billie Joe Armstrong perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465337127 )

Singers Miguel (L) and Ariana Grande speak onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465311767 )

Lorde accepts the award for best pop solo performance for "Royals" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Musician Steven Tyler attends the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Christopher Polk/Getty Images) ( 465321191 )

Rapper Kendrick Lamar (C) and Imagine Dragons perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465319727 )

Jamie Foxx, left, presents Jay-Z with the award for best rap/sung collaboration at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Charlie Musselwhite, left, and Ben Harper pose with the best blues album award for "Get Up!" in the press room at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Dan Steinberg/Invision/AP) ( The 56th Annual GRAMMY Awards - Press Room )

Beyonce poses in the press room at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Dan Steinberg/Invision/AP) ( The 56th Annual GRAMMY Awards - Press Room )

Actress Julia Roberts walks onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465320481 )

Actress Julia Roberts speaks onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465320757 )

Musician Paul McCartney performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465320797 )

(L-R) Musicians Tony Iommi, Ozzy Osbourne and Geezer Butler of Black Sabbath, winners of Best Metal Performance for 'God Is Dead?,' pose in the press room during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images) ( 465320379 )

Musician Taylor Swift performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465304085 )

(L-R) Musicians Paul McCartney, Krist Novoselic, Dave Grohl, and Pat Smear accept the Best Rock Song award for 'Cut Me Some Slack' onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465304225 )

Katy Perry, left, and Juicy J perform "Dark Horse" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Singer Katy Perry performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465292693 )

Beyonce performs at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Musician John Legend performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465303367 )

Singer Robin Thicke (C) performs with Chicago onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465294119 )

Musicians Keith Urban (L) and Gary Clark Jr. perform onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465293817 )

Pharrell Williams, left, and Anna Kendrick present the award for best new artist at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Ryan Lewis, left, and Macklemore accept the award for best new artist at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Recording artist Macklemore, winner of Best New Artist attends the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Christopher Polk/Getty Images) ( 465293969 )

Singer Charlie Wilson (L) and comedian Kevin Hart speak onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465304745 )

Host LL Cool J speaks on stage at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Comedian Kathy Griffin, winner of Best Comedy Album for 'Calm Down Gurrl,' poses in the press room during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images) ( 465284437 )

Singer Hunter Hayes performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465284463 )

Singer Beyonce performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465282773 )

Singer Beyonce performs onstage during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465283577 )

Singer Taylor Swift stands in the audience during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465283711 )

Steve Coogan speaks on stage at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Edie Brickell & Steve Martin, winners of Best American Roots Song for "Love Has Come For You" pose in the press room during the 56th GRAMMY Awards at Staples Center on January 26, 2014 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images) ( 465263509 )

(L-R) Musicians Gerald Albright, Dave Koz, Verdine White, Mindi Abair and Richard Elliot perform with the Larry Batiste Orchestra onstage during the 56th GRAMMY Awards Pre-Telecast Show at Nokia Theatre L.A. Live on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465226757 )

Colombian singer Juanes, left, and Anna Faris present the award for best pop duo/group performance at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Comedian Kathy Griffin accepts the Best Comedy Album award for 'Calm Down Gurrl' onstage during the 56th GRAMMY Awards Pre-Telecast Show at Nokia Theatre L.A. Live on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465263889 )

Host Cyndi Lauper speaks onstage during the 56th GRAMMY Awards Pre-Telecast Show at Nokia Theatre L.A. Live on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465226441 )

Ben Harper, left, and Charlie Musselwhite accept the best blues album award for "Get Up!" at the pre-telecast of the 56th annual Grammy Awards on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP) ( The 56th Annual GRAMMY Awards - Show )

Singer La Marisoul of La Santa Cecilia performs onstage during the 56th GRAMMY Awards Pre-Telecast Show at Nokia Theatre L.A. Live on January 26, 2014 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images) ( 465234831 )