Kendrick Lamar, Imagine Dragons Rock GRAMMYs With Strobe Light-Filled Collaboration: Video

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Kendrick Lamar performs together with Imagine Dragons during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014.

Kendrick Lamar and Imagine Dragons hit the stage at Sunday's Grammys (Jan. 26), coming together for a head-turning (and head-pounding) team-up.

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Soon after the performance, Imagine Dragons debuted the remix to "Radioactive," featuring Kendrick Lamar on iTunes.

"In a perfect world, it would be like the Hunger Games and at the end, me and Kendrick would light on fire," Reynolds told THR of his hopes for the performance. Among Lamar's pre-game advice to his Imagine Dragons collaborators: "Don't go against your own shit....I don't want anybody to do anything fake." He also had high-praise for the band, praising its members' "energy and stage presence."

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