Credit: Danny Martindale/Getty Images

It’s a little hard to comprehend that Britney Spears is 30 years old today, isn’t it? Not just in the sense that, if Spears is getting older then that also means that the TRL-voting generation that grew up with her is as well, but the realization that she’s only 30 years old. That’s no slight at the pop superstar, who looks better than ever, nor is it disregarding that this is a milestone birthday for her. It’s just that at only 30, this is someone who’s already lived what seems like five lifetimes.

For better or worse, Spears became the unofficial poster girl for just how turbulent one’s 20s can be. By 25 alone, an age when most people are still steeped in college loans, starting a first job, or living an apartment with roughly six other city-dwelling hopefuls, she’d already been married (twice), had two kids with Kevin Federline, found Kabbalah, and remained one of the biggest musical acts in the world. You can say a lot about Spears, but to ever imply that her 20s were uneventful is absolutely not one of them.

In fact, here’s just some of the things Britney Spears went through in her 20s, in no particular order, from the highs to the lows and everything in between:

Had parade of hit singles and no. 1 records, including In the Zone, Circus, and most recently Femme Fatale

Appeared in iconic music videos such as “Toxic,” “I’m a Slave 4 U,” and “Everytime”

Gave birth to two sons

Endured a custody battle

The shaved-head incident seen around the world

(Briefly) went to rehab

Split with Justin Timberlake

Married and eventually divorced Kevin “Popo Zao” Federline

Appeared with K-Fed on arguably the worst reality show of all-time, Britney & Kevin: Chaotic

Had a 55-hour marriage to childhood friend Jason Alexander

Kissed Madonna on the VMA stage

Was linked to Fred Durst

Released her own line of fragrances

Tried her hand at acting, both in movies (Crossroads) and on television (How I Met Your Mother)

Won a Grammy

Had an entire episode of Glee dedicated to her

Yep, that was all by 30, folks. Happy Birthday, Britney!

Can you believe Spears is 30 years old today, PopWatchers? Did anyone have their 20s quite like hers? Share in the comments section below!

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