"Look Ma, No Brains!" is a song by American rock band Green Day, released as the second single of their fourteenth studio album, Saviors (2024). Written by the band and produced by Rob Cavallo, the lyrics take the perspective of a "hapless rube" who "spirals into chaos". The song was premiered on October 22, 2023, during the When We Were Young festival, and was released for digital download and streaming on November 2, 2023, alongside an accompanying music video. "Look Ma, No Brains!" received generally positive reviews from critics, who called the song a return to the band's roots but criticized its lyrics.