Before you start panicking about your Halloween costume [1], let us assure you there is absolutely nothing to worry about. Why? Because we already found your perfect costumes. The shoppable pieces below are what we call one-and-done outfits for busy ladies on the go (sorry but we're skipping those takes-a-week-to-DIY looks this year [2]). From skeleton print dresses to cheeky "this is my costume" tees, these items are time-savers when it comes to Halloween [3] dressing. Plus, they're all office appropriate too. Don't think twice about adding the costumes ahead to your checkout cart.
Skeleton
A skeleton is the most classic Halloween [5] motif. If you're looking for a truly one-and-done costume, this H&M dress is perfect for you [6] ($25). Wear with black tights and black ankle boots.
Bat
There will be plenty of people in the office dressed as a cat, so go the opposite route as a bat. This black bodysuit by Nasty Gal [7] ($36) can be worn with black shorts or jeans, depending on how risqué you want the outfit to look.
Mouse
Go around saying, "I'm a mouse, duh" in this Wildfox hoodie [8] ($150).
Zebra
It's not often you see a zebra, so stun all your coworkers with this printed black-and-white stripe dress from Asos [9] ($64).
Unicorn
Unicorns do exist! At least on Halloween [10]. Roll out of bed right into your cozy Boohoo onesie [11] ($18, originally $36).
Baseball Player
To all the baseball babes out there, show off your sporty side at work with this Forever 21 jersey [12] ($10, originally $16).
Flapper
Transport yourself back to the 1920s in this white fringe dress from Unique Vintage [13] ($78).
Costume Tee
Get cheeky with this "My other costume is at the dry cleaner" Wildfox tee [14] ($70).
Halloween Spirit
If you're known in the group as the ultimate Halloween [15] lover, you definitely need this Halloween-theme Xhilaration dress [16] ($19, originally $25).
Bunny
Cat ears were so last year. Be a bunny this year instead with Topshop's cool vinyl headband [17] ($20).
Baby Pumpkin
Incorporate your baby bump into your costume on Oct. 31 with this Asos skeleton sweatshirt [18] ($35).
Justin Bieber Fan Girl
You're not a true Belieber until you have this tribute collection shirt [19] ($40).
Cheerleader
Fulfill your high school fantasy of being a cheerleader with this H&M cropped top [20] ($18).
Wonder Woman
Who wouldn't want to channel Wonder Woman in this Union Suit from Target [21] that's comfortable as can be? ($28)
Lazy Costume
Ran out of time to think of a costume? Throw on this funny Nasty Gal t-shirt [22] ($30) and call it a day.
