"Yalla" is a song recorded by Romanian singer Inna for her eponymous and fourth studio album (2015) and its Japanese counterpart, Body and the Sun (2015). It was released on 3 November 2015 through Empire and Roton. The recording was written by Marcel Botezan, Sebastian Barac, Nadir Tamuz Augustin and Inna, while production was handled by the first two under the name of Play & Win. A dance-pop and eurodance track, "Yalla" is sung in both English and Arabic.

Music critics were positive towards the song, commending its production and commercial appeal. An accompanying music video for "Yalla" (which received notable airplay in Romania) was shot by Barna Nemethi in Marrakesh, Morocco and premiered on YouTube on 12 November 2015. Featuring Inna chased by a man at a bazaar, it attracted multiple comments written in Arabic. To promote the single, Inna also had various concert venues. Commercially, "Yalla" peaked at number 13 in Romania and at number 18 on the Polish dance chart.

"Yalla" was written by Marcel Botezan, Sebastian Barac, Nadir Tamuz Augustin and Inna, while production was handled by the first two under the name of Play & Win. It is a dance-pop song performed in English and its refrain in Arabic. Italian publication RnB Junk's Daniele Traino wrote that the track combined Inna's "typical" eurodance style with oriental sounds, comparing its vibe to Madonna's "La Isla Bonita" (1987). German portal Hitfire likened the recording to Major Lazer and DJ Snake featuring MØ's "Lean On" (2015), writing that the success of the latter possibly influenced the singer to release "Yalla" as a single. A digital remixes extended play of the song was released on 3 November 2015 by Empire and Roton. The single version features an additional second verse not included on the version featured on her eponymous and fourth studio album (2015) and its Japanese counterpart Body and the Sun.

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