Tracey Ullman is a British-American performer known for her multi-faceted career in music, film, and television. As a singer, she achieved notable success in the 1980s, blending pop and new wave influences with a theatrical, comedic presentation. Her 1983 hit "They Don't Know" reached number two on the UK Singles Chart and number eight on the US Billboard Hot 100, solidifying her place in pop music history. Despite her relatively brief musical career, Ullman's distinctive style and crossover success have left a lasting impact on the entertainment industry.