She’s 40, bitch.

Four decades ago today, Princess of Pop and Sagittarian queenBritney Jean Spearscame into the world.

Obviously, a landmark birthday in her first month of freedom (and third month ofengagement!)

Britney Spears

Britney Spears.AFP via Getty Images

calls for a celebration of historic proportions.

If you are unsure of how best to commemorate this milestone, worry not!

We at EW have helpfully compiled a list of 40 excellent ways to celebrate Brit’s 40th.

Happy partying to us all, and happy birthday, Britney!

Listen to “Stronger” on repeat

2.Drink a Pepsi

3.

Get your belly button pierced

4.

Read up on your Brit-story, likethe tale of the music video that started it all

5.

Speaking of which: Wear pigtails!

Start a pop revolution!

Everyone’s been doing them

7.

Go ahead and do it again play with his heart!

Get lost in the game!

While you’re at it, teach yourself some intergalactic choreo:

10.

Remember towear your perfume

11.DUMP HIM

12.

Sing your heart out with some Britney-oke.

Here’s a suggestion:

13.

And another:

14.

Tweet@Oprahto politely request an empathetic tell-all interview

15.

Commit todenim on denim

16.Re-open your mind to low-rise jeans

17.

Birthdays can be sad sit with your feelings

18.

Light a candle.Don’t blow it out!

Make itas abstractas you want!

Befriend a reptile

21.

Casually conquer Las Vegas

22.

Educate a friend about howunderratedGloryis

23.

Get in the holiday Spearit

24.

Have a friendly debate overwhich song is Britney’s best

(25.

Conclude that it’s “Toxic”)

26.

Go to Starbucks

28.

(Or just go watch the 2002 filmCrossroads)

32.

GiveBritney Jeananother chance or at least listen to “Work Bitch” in the gym

33.

Pop on over to D.C. for the first run ofOnce Upon a One More Time

34.

You’re already in Europe.

Swing by Saint-Tropez for a birthday treatwith Cher!

Dance through the apocalypse

39.

Take your time to complete this whole routine.

Do absolutely whatever the hell you want!

Happy birthday to an icon!