In 1998, Britney Spears released her debut album, ...Baby One More Time. The album was a huge success, selling over 25 million copies worldwide. The lead single, "...Baby One More Time", was also a hit, topping the charts in many countries.
Spears followed up her debut album with Oops!... I Did It Again in 2000. This album was even more successful than her first, selling over 20 million copies worldwide. The lead single, "Oops!... I Did It Again", was also a huge hit, topping the charts in many countries.