“All Day” is a song by the American rapper Kanye West, featuring contributions from Theophilus London, Paul McCartney, and others. Released in 2015, it showcases a blend of hip-hop and pop elements, highlighting West's signature style and lyrical themes. The track is notable for its catchy chorus and innovative production, which includes a mix of samples and live instrumentation. “All Day” received positive reviews from critics and was performed at various events, including the 2015 Brit Awards, further solidifying West's influence in the music industry.