" Radioactive " was first performed by Imagine Dragons and Kendrick Lamar at the 56th Annual Grammy Awards , held at the Staples Center , Los Angeles on January 26 , 2014 . The song was performed in a mashup with Kendrick Lamar 's " M.A.A.D City " , a track from his Grammy-nominated album '' Good Kid , M.A.A.D City '' . It was the second most tweeted music moment of 2014 . The song was performed by the duo again on the February 1 , 2014 airing of NBC late-night live television sketch comedy and variety show '' Saturday Night Live ''
56th Annual Grammy Awards
56th Annual Grammy Awards
Radioactive (Imagine Dragons song)