"Rock Bottom" is a song by American actress and singer Hailee Steinfeld, released as the third track to her debut extended play, Haiz (2015), through Republic Records. The song, a pop record, was written by fellow American singers Justin Tranter and Julia Michaels, alongside the song's producers, Mattman & Robin. The song was originally released as the third track to the EP on the 13th of November, 2015. Upon the release of Haiz, the song was received positively by music critics, who praised the track for its upbeat sound.
On the 26th of November, 2016, a remix featuring the Joe Jonas-fronted group DNCE was released as a single through both Republic and Universal Records. It would later be included on reissues of the EP, including its Japanese edition. Upon its release, the song was a modest success, peaking within the top 10 of both the New Zealand Heatseekers Chart and the Billboard Bubbling Under Hot 100 chart, charting at number 3 on both charts. The song was also certified Platinum by the Recording Industry Association of America (RIAA). A music video would later be released of the song, directed by Malia James.