Ariana Grande-Butera is an American singer, songwriter and actress. Regarded as a pop icon and an influential figure in popular music, she is noted for her four-octave vocal range and her signature use of the whistle register. Grande began her career at age 15 by appearing in the Broadway musical 13 (2008). She rose to prominence for her performance as Cat Valentine in the Nickelodeon television series Victorious (2010–2013) and its spin-off series Sam & Cat (2013–2014).