Okay, let’s rewind the clock to 2015. You’re probably scrolling through old photos and cringing at your hair, and then you stumble upon a picture of Justin Bieber. The big question pops into your head: how old was he, exactly, during that whole Purpose era?
Well, grab a juice box and a time-traveling DeLorean, because we’re doing the math. And don’t worry, this is easier than figuring out your taxes—mostly because it involves a pop star, not a W-2.
The Simple Math (No Calculator Needed)
Justin Bieber was born on March 1, 1994. So, in 2015, you just subtract 1994 from 2015. That gives you 21—but wait, there’s a twist!
If it was before March 1st, 2015, he was still 20 years old. If it was after that glorious spring day, he had officially joined the “21 Club.” So, the answer is: he was 20, and then he turned 21. Mind-blowing, right?
Why Does This Even Matter?
Because 2015 was a weird and wonderful year for him. He was busy being technically an adult, but also releasing an album called Purpose that made everyone cry in their cars. You can’t do that as a teenager; you need that post-20 wisdom.
He also had that iconic “Where Are Ü Now” with Skrillex and Diplo. That song was a total vibe, and honestly, it hit different when you knew he was old enough to rent a car (not that he needed to, with his private jets).
A Quick Trip Down Memory Lane (With a Side of Sass)
Let’s set the scene: early 2015, Justin was 20. He was rocking those blonde dreadlocks that we’ve all agreed to never speak of again. But hey, that’s what 20-year-olds do—they make questionable hair choices.
By November 2015, he had turned 21 and dropped Sorry. That song was basically a public apology, but with a sick beat. You know you’re officially an adult when you can turn a grovel into a number-one hit.
The “Legal” Shenanigans
See, turning 21 in the U.S. is a big deal. It means you can legally buy a beer in every state. Did Justin do that? Probably. Did he dance on tables? Absolutely, he’s Justin Bieber.
But really, 2015 was his transition year. He went from “Baby” to “Sorry”, from teen heartthrob to adult pop star. And he did it all while being 20, and then 21. It’s like a superhero origin story, but with more Calvin Klein underwear ads.
Let’s Compare Him to Us (The Sad Reality)
When you were 21, you were probably surviving on instant ramen and questionable decisions. Justin was 21, filming the What Do You Mean? video in Hawaii. Life isn’t fair, folks.
Photo : Justin Bieber - La 43ème cérémonie annuelle des "American Music
But here’s the fun part: age is just a number, especially for celebrities. He could be 20 acting like a grumpy grandpa, or 21 acting like a hyperactive puppy. In 2015, he was both, depending on the day.
What About the “Old” Feeling?
If you’re reading this in 2025 or beyond, 21 seems so young. Like, baby-faced, still getting carded for energy drinks young. But back in 2015, 21 felt ancient compared to his earlier “One Time” days.
He was no longer the kid with the bowl cut. He had facial hair (sometimes), real tattoos, and a serious case of “I’m an artist now.” That’s code for “I’m 21 and I know everything, but also please still stream my music.”
The Final Verdict: 20 Going on 21
So, to answer the burning question: Justin Bieber was 20 for the first two months of 2015, and 21 for the remaining ten. He was legally allowed to do everything except time travel, which is a shame because I’d love to go back and slap those dreadlocks off.
But honestly, 2015 was the year he started growing up. He was figuring out his sound, his image, and his life. And he did it all while being barely old enough to buy a round of shots for his entourage.
Why This Makes Me Smile
Here’s the thing: whether you’re 20, 21, or 45 (no judgment), growing up is a messy process. Justin’s 2015 was messy, beautiful, and full of bangers. And that’s a reminder that age doesn’t define your moment—your energy does.
So, next time you’re counting your own birthdays, don’t stress. You might not have a platinum album, but you have your own Purpose. And hey, at least your hairstyle from 2015 is probably not on a magazine cover forever.
So here’s to Justin, to 2015, and to you. No matter how old you are right now, remember: you’re never too old to dance like nobody’s watching (or to cringe at your old photos). Age is just a number, but good music and self-love are forever. Now go stream Purpose and smile, you beautiful human.