1. Katy Perry
TOTALLY blondeOf course she's not a true blonde
Real! Katy Perry's actually a natural blonde, she just dyes her hair black (and every other colour).
2. Leighton Meester
100% brunetteNatural blonde
Leighton's actually a natural blonde. Who knew!
3. Jennifer Lawrence
Obviously blondeNo way is she a fair head
She's as natural as they come, she just dyes her hair dark to play Katniss. Blonde FTW.
4. Charlize Theron
Yes, blonde all the way!Nah, she's faking it
Charlize is actually naturally brunette.
5. Britney Spears
She's Britney, BITCH. Of course she's blonde.Even Britney dyes her hair blonde
Britney's not a natural blonde! We're sorry. Although it's naturally more of a mousey brown than dark.
6. Scarlett Johansson
She's always been a blonde babeNope, definitely a dye job
Dark blonde/light brunette! So everyone kind of wins with this one. Although she does dye it to get it super blonde.
7. Ashley Tisdale
She's GOT to be a true blondeDefinite dye job
She's been blonde for *ages* but she's really brunette.
8. Olivia Wilde
Olivia's brunette through and through.Born blonde!
Olivia was born blonde. She just dyes her hair dark.
9. Emma Stone
Duh, she's a red headEmma's a blonde alright
Emma was originally blonde! She just decided to go red at the start of her career.
10. Lady Gaga
Lady Gaga's always been peroxide blondeBrunette, duh
It's difficult to tell as she's always wearing a wig... BUT she's naturally brown.
11. Jessica Simpson
Obvious blondeDye job
She may as well be a true blonde considering how long she's been one. But Jessica was born brunette.
12. Dianna Agron
Dianna's totally blondeBorn brunette, for sure
She's a real blondie!
13. Amy Adams
Yeah, totally. She's a red head.Amy's actually a strawberry blonde
Amy was born with strawberry blonde hair. She just dyes it auburn.
14. Margot Robbie
Blonde beach babe FTWShe's dyeing it!
This Australian actress is no pretender. She's the real blonde deal.
15. Kristen Stewart
It's Kristen Stewart, obviously she has dark hairShe was born fair!
This may surprise you but Kristen is actually naturally strawberry blonde.