Hollaback Girl was released by Gwen Stefani in 2005 as a single from her debut solo album Love. Angel. Music. Baby., and it became one of the defining pop hits of the mid-2000s with its cheerleader-style chant and marching-band beat. The line 'ain't no hollaback girl' became its most quoted hook, later resurfacing in short-form videos and reaction edits where creators use it to shut down drama or assert confidence. Its short, rhythmic delivery makes it easy to loop and instantly recognisable decades later.