American singer and vlogger, born 21 June 1997. Black started taking dance classes when she was 3 years old, as well as singing and vocal lessons at the age of 10. Her debut single "Friday" became an unintentional comedic internet phenomenon, the music video of which has reached over 90 million views on YouTube. The video has also been the cause of much cyber-bullying towards the singer. Black later made a guest performance in the music video for Katy Perry's song "Last Friday Night (T.G.I.F.)".