"Sober Up" is a song by American indie pop band AJR, from their second studio album, The Click. Released as the album's fifth single, it features Rivers Cuomo, lead singer and frontman of American rock band Weezer, although certain radio stations instead play a version with band member Ryan singing Cuomo's verse. "Sober Up" became the first number-one song for AJR on the BillboardAlternative Songs, when it peaked at number one on the chart in March 2018. Similarly, Cuomo had his first number one on the alternative Billboard chart as a solo artist.
