"Liquor Store Blues" is a song recorded by American singer-songwriter Bruno Mars for his debut studio album Doo-Wops & Hooligans (2010), featuring vocals by Jamaican artist Damian Marley. It was released as the first promotional single from the record, on September 21, 2010 by Elektra Records in the United States; while in the rest of the world it was liberated by Warner Entertainment Group (WEG). "Liquor Store Blues" is a reggae track with dub influences produced by The Smeezingtons (Mars, Phillip Lawrence, Ari Levine) and Dwayne "Supa Dups" Chin-Quee, while the writing was handled by the former three along with Damian Marley and Thomas Pentz, known professionally as Diplo. Musically, "Liquor Store Blues" has been described as borrowing "heavily from roots reggae" and from dub sounds, while lyrically it addresses a way of avoiding "foreshadowing" problems by drinking with hope that afterwards everything will be fine.

Upon its release, "Liquor Store Blues" received generally positive reviews from music critics, who praised its reggae style and Damien Marley's appearance on the track, as well as, establishing comparisons to Mars' cocaine bust in Vegas as the song arrived shortly after the event aforementioned. The song peaked at number 97 on the Canadian Hot 100 and Billboard Bubbling Under Hot 100, a component of the Billboard Hot 100, by peaking at number 105. The music video, directed by Jake Summer, was released on March 8, 2011 and features Bruno Mars and Damien Marley singing together with a colorful background and "acid-trip" visual effects, during the whole video. The song was performed many times during Mars' debut world tour, The Doo-Wops & Hooligans Tour (2010-2012), as the ninth track on its set list. During the 2016 Grammy Awards, Mars had a flask, filled with a drink, to "get some winners drunk". The bottle is engraved with the lyrics, "One shot for my pain, one drag for my sorrow" from the song.

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