* In 2000, Britney Spears released her second studio album, "Oops!... I Did It Again." The album was a massive commercial success, and it sold over 20 million copies worldwide. It also spawned several hit singles, including "Oops!... I Did It Again," "Lucky," and "Stronger."
* In 2001, Britney Spears embarked on the Oops!... I Did It Again Tour. The tour was a huge success, and it grossed over $45 million. It also featured several memorable performances, including a performance of "Oops!... I Did It Again" in a bathtub filled with water.
* In 2002, Britney Spears released her third studio album, "Britney." The album was another commercial success, and it sold over 10 million copies worldwide. It also spawned several hit singles, including "Gimme More," "Boys," and "Toxic."
* In 2003, Britney Spears embarked on the Dream Within a Dream Tour. The tour was a critical and commercial success, and it grossed over $70 million. It also featured several memorable performances, including a performance of "Toxic" in a cage filled with snakes.
* In 2007, Britney Spears released her fifth studio album, "Blackout." The album was a critical and commercial success, and it sold over 10 million copies worldwide. It also spawned several hit singles, including "Gimme More," "Piece of Me," and "Break the Ice."
* In 2008, Britney Spears embarked on the Circus Tour. The tour was a massive success, and it grossed over $225 million. It also featured several memorable performances, including a performance of "Toxic" in a giant martini glass.
* In 2011, Britney Spears released her seventh studio album, "Femme Fatale." The album was a critical and commercial success, and it sold over 1 million copies in the United States. It also spawned several hit singles, including "Hold It Against Me," "Till the World Ends," and "Criminal."
* In 2013, Britney Spears embarked on the Femme Fatale Tour. The tour was a critical and commercial success, and it grossed over $150 million. It also featured several memorable performances, including a performance of "Till the World Ends" in a giant robot.
* In 2016, Britney Spears released her ninth studio album, "Glory." The album was a critical and commercial success, and it sold over 1 million copies in the United States. It also spawned several hit singles, including "Make Me...," "Slumber Party," and "Do You Wanna Come Over?"