"Last Friday Night" is a pop song by Katy Perry from her album Teenage Dream, released in 2010. The song captures the carefree and wild spirit of a fun night out, filled with partying and unexpected adventures. It features catchy melodies and upbeat rhythms, making it a popular anthem for youthful exuberance. The lyrics describe a series of humorous and chaotic events that occur during a night of celebration, including dancing, mischief, and memorable moments. The song's vibrant energy and relatable themes resonate with listeners, contributing to its commercial success and popularity on music charts worldwide.