It’s hard to believe that the former pop sweetheart of America is turning the big 3-0 today! It seems like only yesterday she was claiming she was a virgin while dating an *Nsyncer, and now she’s all grown up with two kids!

Lucky for us, we’ve gotten to see the star go from international teen sensation to sluttiest girl on MTV to bat-shit-crazy to mom/ gay icon. It’s been quite the crazy 15 years for Miss. Spears, but it’s been nothing less than entertaining.

In honor of Britt’s 30th, we’ve compiled a list of her 30 most memorable looks. Check it out here!