Coastline is the debut extended play (EP) by American singer and songwriter Lauren Jauregui. It was released on August 10, 2018 through Columbia Records. With all songs being written by Jauregui, the EP includes production from Jack Antonoff, Kid Harpoon and Pop & Oak.

Garnering positive reviews from critics upon release, Coastline debuted at number 24 on the US Billboard 200 with 16,000 total sales. The single "Cut You Off" from the EP became Jauregui's first top twenty single on the Hot 100 as a solo artist.

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