"Cool for the Summer" is a song by American singer Demi Lovato. It serves as the lead single from her fifth studio album, Confident (2015). The song was released on July 1, 2015, by Hollywood, and Island Records, and made its radio premiere on the same date via Republic Records. Lovato co-wrote "Cool for the Summer" with Alexander Erik Kronlund, Savan Kotecha, and the song's producers Max Martin and Ali Payami. Musically, it is styled in a rock edge with an electronic arrangement. The song has received attention for its bi-curious insinuations and sexually suggestive lyrics.

"Cool for the Summer" was well received by the contemporary music critics, who praised the song's production and bi-curiosity content present on the lyrics. The song was included in several list of year-end and received nominations to MTV Video Music Awards and 2015 Teen Choice Awards in the categories "Song Of The Summer". The song received an award for being one of the most performed songs of 2015 at the ASCAP Pop Music Awards. Commercially "Cool for the Summer" had a positive recepction, in United States the song debuted at number 36 on the Billboard Hot 100 dated July 18, 2015, selling 80,000 copies in its first charting week. It entered the Hot 100's top 20 on the chart dated August 15, 2015 and peaked at number 11, becoming Lovato's third highest position in the country. The song also reached number one on Dance Club Songs. It was certified double-platinum by RIAA.

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