Blu Cantrell (born Tiffany Cobb; March 16, 1976) is an American R&B and soul singer-songwriter. Cantrell rose to fame in 2001, with the release of her debut single, “Hit ‘Em Up Style (Oops!)”, which peaked at number two on the US Billboard Hot 100 and topped the US Mainstream Top 40 chart, along with charting across several countries and being included in her debut album, So Blu. The song earned Cantrell two Grammy Awards nominations. In 2003, Cantrell released her second album, Bittersweet, which was nominated for a Grammy Award and resulted in the single “Breathe” (featuring Sean Paul).