Bewitching! The Comedy Central star jokes that she was "dressing as myself for #tbt."
"When you dress as the yellow teletubby for Halloween, but it's before Teletubbies got huge so all the kids at school ask you why you're dressed as a yellow pregnant alien," Swift wrote in an Instagram caption.
Not sure if the gorgeous supermodel would ever sport this eccentric look on the runway now!
There's a reason people are afraid of clowns, and the "Thinking Out Loud" singer's baby pic might just be why.
Even before her American Horror Story and Scream Queens days, the actress clearly had a fling for the spooky.
The wild child singer makes a picture perfect princess alongside her little bro and daddy.
Judging by the plethora of wild ensembles, the Girls star probably won quite a few costume contests in her day.
This brother sister duo always went all out for the holiday.
The Real Housewives of Beverly Hills star channels her inner pirate alongside her now 15-year-old daughter, Sophia.
This brunette cutie made the most adorable 80s rocker back in the day.
The famed director and choreographer strikes a seductive pose before hitting the stage.
The Modern Family actress seemed to be missing her Thing 2 on Halloween a few years ago.
What would this Girl Meets World star's childhood memories be without a visit to the pumpkin patch?
This witchy duo wasn't really scary, but they certainly were fashionable.
Check out the dashing divas!
This fam was always good at playing dress up!
The ageless hottie admitted he wasn't sure what this early '80s costume was supposed to be, guessing, "a slutty??"
Once upon a time, this princess was a witch.
Before she was a teen queen, she was a Disney Princess!
Naturally, the domestic goddess was once the world's most perfect Little Bo Peep!
Big hair, don't care? Speculate as you will what this Real Housewives of New York star was supposed to be.
Sandy and Danny Zuko, watch out for these two!
At seven years old, this future Pussycat Doll dressed up as Carmen Miranda.
She was a witch many years before American Horror Story: Coven.