1984 - Enrolling in dance classes
1985 - Starting dance competitions
1988 - Getting a role in her 2nd grade play "Give Thanks America"
1989 - Singing "Lavender's Blue" as a solo in her 3rd grade musical
1990 - Auditioning for the Mickey Mouse club for the first time
1991 - Becoming an understudy in the Broadway musical "Ruthless!"
1992 - Appearing on her first television show "Star Search"
1993 - Starring on the Mickey Mouse Club with Justin Timberlake, Christina Aguilera, Keri Russell, JC Chasez and Ryan Gosling.
1995 - Being voted on the homecoming court and going to prom
1996 - Signing with Jive Records after they heard her sing "I Have Nothing" by Whitney Houston
1997 - Recording her first album "...Baby One More Time" with Max Martin
1998 - Releasing her first music video
1999 - Going on tour in shopping malls across North America
2000 - Performing "Oops!... I Did It Again" at the VMAs
2001 - Performing with a snake
2002 - Debuting as an actress in her first movie "Crossroads"
2003 - Kissing Madonna
2004 - Having a 55-hour quickie marriage with her friend Jason Alexander
2007 - Performing Gimme More at the VMAs
2008 - Coming back
2009 - Embarking on the Circus Tour
2010 - Designing the Candies collection
2011 - Hold It Against Me going #1
2012 - Judging the X Factor
2013 - Dropping Work B**ch
2014 - Revolutionizing Las Vegas with her Piece of Me residency
2015 - Releasing Pretty Girls
2016 - Serving us with the masterpiece that is the Glory album and era
2017 - Touring Asia
2018 - Touring Europe
2019 - #FreeBritney
2020 - Resurrecting Glory and Mood Ring