Photos

 

Best Live Collaborations of 2012

The dynamic duos that rocked 2012

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    John Mayer and Frank Ocean collaborated together on Saturday Night Live with Seth Macfarlane as the host.

    Photo: © NBC / 2012 NBCUniversal Media, LLC.

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    Nicki Minaj, Madonna and M.I.A. perform during the Bridgestone Super Bowl XLVI Halftime Show at Lucas Oil Stadium on February 5, 2012 in Indianapolis, indiana.

    Photo: © Jeff Kravitz / 2012 Jeff Kravitz/FilmMagic

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    Pitbull and Enrique Iglesias perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.

    Photo: © Kevin Mazur/WireImage

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    Singer Gwen Stefani (l) of No Doubt and singer P!nk perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.

    Photo: © Denise Truscello/WireImage

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    Chris Martin and Michael Stipe perform at "12-12-12" a concert benefiting the Robin Hood relief fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on December 12, 2012 in New York City.

    Photo: © Kevin Mazur/WireImage for ClearChannel

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    Lady GaGa performs with the Rolling Stones at the Prudential Center on December 15, 2012 in Newark, New Jersey.

    Photo: © Kevin Mazur/WireImage

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    Bruce Springsteen and Mick Jagger perform at the Prudential Center on December 15, 2012 in Newark, New Jersey.

    Photo: © Kevin Mazur/WireImage

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    Nicki Minaj and Justin Bieber perform onstage during the 40th American Music Awards held at Nokia Theatre L.A. live on November 18, 2012 in Los Angeles, California.

    Photo: Getty Images

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    Taylor Swift and Ed Sheeran perform onstage during z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City.

    Photo: Getty Images

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    Ed Sheeran, Jason Mraz and Mona Tavakoli perform at the z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City.

    Photo: Getty Images

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    Taylor Swift and hip hop artist B.O.B. perform onstage during z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City.

    Photo: Getty Images

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    Paul McCartney and Dave Grohl from Foo Fighters perform during "12-12-12" a concert benefiting the Robin Hood relief fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on December 12, 2012 in New York City.

    Photo: Getty Images

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    Rapper Pitbull (l) and Ne-Yo perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.

    Photo: Getty Images

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    Singer Mary J. Blige (l) and musician Prince perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.

    Photo: Getty Images

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    Jon bon jovi (l) and Bruce Springsteen (r) perform during "12-12-12" a concert benefiting the Robin Hood relief fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on December 12, 2012 in New York City.

    Photo: Getty Images

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    Singers Enrique Iglesias and rapper Sammy Adams perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada.

    Photo: Getty Images

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    Roger Waters and Eddie Vedder perform at "12-12-12" a concert benefiting the Robin Hood relief fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on December 12, 2012 in New York City.

    Photo: Getty Images