"Friday" is the debut single by American pop singer Rebecca Black, written and produced by Los Angeles record producers Clarence Jey and Patrice Wilson. The song's music video was released on February 10, 2011; it was officially released as a single on the iTunes Store on March 14, 2011. The song features a rap verse from Wilson, which was uncredited on the single. Its music video caught a sudden surge of hits after Mystery Science Theater 3000 and RiffTrax comedian Michael J. Nelson called it "the worst video ever made" on Twitter and the song was featured on the Tosh.0 blog. The song's reception was highly negative, and it was parodied by numerous artists and comedians.

Rebecca Renee Black is an American singer, songwriter, and YouTuber. She gained extensive media coverage when the music video for her 2011 debut single "Friday" went viral on YouTube and various social media sites. The song peaked at number 58 on the Billboard Hot 100 amidst being panned by audiences and music critics, many of whom considered it "among the worst songs ever made". In 2013, Black released a follow up single "Saturday" to similar commercial success and marginally improved reception.