Happy Birthday, Madonna! Look Back at the Singer's Unforgettable (and Revealing) Selfies Over the Years

Oh Madonna, you are always one to express yourself!

Today marks the official birthday for a superstar singer who has turned heads with her red carpet looks, wowed on-stage while performing hit after hit and even shocked fans with her deepest thoughts.

This year, however, we're taking a look back at the "Rebel Heart" singer's greatest selfies captured on Instagram. To say we had a few to choose from would be quite the understatement.

Need proof? The singer recently posted a picture of ex-husband Sean Penn kissing her on the neck. "Its almost our birthdays!!" she wrote over the weekend. "2 Leo's ❤#rebelhearts photo by Herb Ritts another Leo ❤❤❤."

Pretty hot, right? Well, it didn't even make our list!

Whether wearing a revealing outfit or posing with an A-list rapper—can you guess which one made the cut—fans of Madonna never know what they can expect to find on her Instagram. Don't worry, we all secretly love it.

So without further ado, let's celebrate the "Vogue" crooner's special day by taking a look back at her wildest pics.

And may we all be so lucky to see many more to come. As the Grammy winner would sing and likely say: "Bitch, I'm Madonna!"