Age ain’t nothing but a number — especially for these stars, whose ages might fool you.
1 / 35
If you can believe her older sister, Dakota Fanning is 26 now — it'll be easier to understand that Elle Fanning is only 22.
2 / 35
You may or may not know she comes from a famous family — but you should know the talented actress is only 27.
3 / 35
With all the crazy stunts he does, it's shocking that, at 58, someone hasn't told him to dial it down.
Related: 25 celebrities who had their teeth done.
4 / 35
Before we knew her in American Horror Story, the 61-year-old actress was making magic on the big screen for decades. Remember when she played Tina Turner in What's Love Got To Do With It?
5 / 35
She's no longer tangled in those spider webs — multi-talented singer/songwriter Gwen Stefani is now half a century old. You read that right — this '90s style icon is 50 now. Interested in her beauty tips? We have them!
6 / 35
The young, teenage singer-songwriter is 18 now. And if you've been living under a rock, she's had the media's attention since she was 14. Impressive, we know.
7 / 35
From her lyrics to her pantsuits, it's hard to believe that Lorde was only born in 1996. An old-soul since her teenage years, the singer is 23 these days.
8 / 35
If only this is what 62 looks like for everyone. We'd all retire happy if that were the case.
9 / 35
Samuel L. Jackson
How is he 71?!
10 / 35
This is what 56 looks like. So damn jealous. Maybe it's Sandy's weird beauty treatment that's keeping her young.
11 / 35
By year's end, the actress will be 52. We'll let that sink in.
12 / 35
A little scruffier but at 55, he looks better now than in his Bill & Ted days. And, in case you're wondering, he's having too.
13 / 35
It might be her already well-established career or impeccable fashion sense because she seems so much older and wiser than 30.
14 / 35
She's 47, which means she was 27 when Bring It On came out. Brrr, it's cold in here — like the blood coursing through her vampire veins.
15 / 35
The 66-year-old former supermodel still looks like she could stomp down a runway with the best of them. Steal Christie and 20 more of the world's most beautiful women's anti-aging tips.
16 / 35
With a baby face like this, she looks like like she's straight out of a Disney musical, not 29.
17 / 35
She may be 38 but Bledel could still slip into her Gilmore Girls role like no time has passed.
18 / 35
At 48, Mann's the definition of man-boy.
19 / 35
Looking like she walked straight off the red carpet for Clueless, that means the 53-year-old actress was 28 when Clueless came out. Mind. Blown.
20 / 35
She's 62 and hasn't looked better.
21 / 35
Models today look much more mature, don't they? Perhaps this is what 27-year-olds who both pose and act look like.
Relate: 10 lady loving celebrity couples.
22 / 35
She makes 53 look good.
Related: See Nicole's amazing proposal story.
23 / 35
Should a 49-year-old man this handsome also be graced with skin this smooth? So unfair.
24 / 35
At 82, she's queen of everything.
25 / 35
Lindsay has been a supermarket tabloid staple for so long, been in and out of so many courtrooms and exited rehab so often it seems as if she's far older than she is at 34.
Related: Toxic couples in pop culture history.
26 / 35
Our favourite 'Friend' is 51 but seems to have not aged a day since her hit sitcom went off the air more than a decade ago. We should all be following whatever health-and-beauty regimen she's on.
27 / 35
Still hosting TV shows, writing books, publishing her eponymous magazine and a frequent guest on TV talk shows, this woman's busier than ever at 78 years old.
28 / 35
She's already nabbed four Oscar nominations and won once, and has become such a beloved part of the Hollywood firmament it's easy to forget J-Law is still under 30 — currently aged 29.
29 / 35
As evidenced by this sultry look (to honour Howard Stern at a past birthday bash), the wickedly funny standup comic is sexier than ever at 49.
30 / 35
Let's see if Justin Bieber is still making hits when HE hits 47.
31 / 35
She's achieved so much for her 32 years of age.
32 / 35
Wtth her 54th birthday coming up, the Oscar-winning actress is as stunning as ever.
Related: Diets your favourite celebrities wear by.
33 / 35
No longer a college dropout, Kim K's hubby has celebrated 43 birthdays.
34 / 35
Although she's been on the scene for a few years now, making her start as a stunning swimsuit model, Kate Upton is younger than you may think at 28.
35 / 35
Okay, maybe you knew Jennifer Lopez is a goddess at 51 years old. Let's be real, her style evolution is epic.