Auditioned, at age 8, for The Mickey Mouse Club in 1990 and was turned down due to being too young
Competed on Star Search in 1992 and won (but was defeated her second week)
Appeared alongside Justin Timberlake and Christina Aguilera on The Mickey Mouse Club after finally joining the cast in 1993
Guest starred as herself on Sabrina, the Teenage Witch in 1999 and The Simpsons the following year
Shared a headline-making kiss with Madonna at the 2003 MTV Music Video Awards
Got a star on the Hollywood Walk of Fame in 2003
Despite (and possibly, to some extent, because of) a period of major controversies in the mid-2000s involving marriage, divorce, motherhood and racy partying, she delivered hit CDs in 2007, 2008 and 2009
Billboard magazine in 2009 named her among the top-selling acts of the century's first decade
In 2009, Forbes magazine named her the 13th most powerful celebrity