Britney Spears wore a patchwork denim gown and Justin Timberlake donned a light-wash Canadian tuxedo and cowboy hat at the 2001 American Music Awards. Style + Beauty Assistant, PEOPLE Few red ...

The fact that her career has spanned so many decades, in spite of what she privately endured, is a testament to that. Below, the most iconic Britney Spears moments of all time.

It's nearly impossible to pick just 12, but we've rounded up some of the Princess of Pop's most iconic performances from the past two decades in honor of her 41st birthday on Dec. 2 Sophie Dodd is ...