The song just happened to be her debut single, too NBD (viaEntertainment Weekly).

You only need a white button-down shirt, a black skirt, and gray thigh-high socks.

Unless you might sew, you’ll probably have to purchase a ready-made costume to achieve this look.

Britney Spears smiling

It’s all in the details, so don’t forget your long blonde hair either!

Britney Spears “Oops I Did It Again” music video