Britney Spears is an American singer, dancer, actress, and one of the most famous pop performers of the late 1990s and 2000s. She became a global star with a teen-pop image, highly recognizable music videos, and polished dance-focused performances. Her debut single and early albums helped define a major era of mainstream pop music. Spears quickly became associated with catchy pop production, choreography, visual branding, and large-scale entertainment media.