"Beware" is a song by American hip hop recording artist Big Sean taken from his second studio album Hall of Fame (2013). "Beware" was released on June 25, 2013, as the album's third single, through GOOD and Def Jam. The song was written by Sean Anderson, Dwayne Carter, Dwane Weir II, and Alexander Izquierdo, while production was handled by frequent collaborator Key Wane and Mike Dean and features guest appearances from rapper Lil Wayne and singer Jhené Aiko.

Musically "Beware" is a hip hop song, backed by "poppy" and "head-bobbing" production, with lyrics that revolve around themes of infidelty and breaking up. Upon release "Beware" was met with generally positive reviews from music critics; who praised the song's musical direction and the inclusion of Jhene Aiko. Commercially the song fared well reaching the top forty of US Billboard Hot 100 and the top ten of the US Hot R&B/Hip-Hop Songs chart, since its release the song has been certified Gold by the Recording Industry Association of America.

An accompanying music video was directed by Matthew Williams and premiered on August 16, 2013, on Vevo, the video was later named one of "The 15 Best Hip-Hop Videos Of The Summer" by XXL. To further promote the song Sean performed at live on various inclusion including Jimmy Kimmel Live and the Hustle After Party.

"Beware" was officially premiered through SoundCloud on June 24, 2013, after announcing the track a day earlier. The track was released for digital download on June 25, 2013, as the album's third single, through GOOD Music and Def Jam Recordings.

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