38 DIY Sexy Halloween Costume Ideas For Women

Halo + bra + wings = an easy, sexy DIY Halloween costume. Put on a white bra and wings, and turn yourself into a blessing from above.

An outfit like this is honestly just too iconic to pass up. Channel one of Jennifer Lopez's signature '90s looks with this sexy DIY costume by wearing a white bandanna, a cropped white tank, white jeans, and some bling.

This easy, sexy Halloween costume from the '80s will always be in — at least for Halloween. After all, you can't go wrong with a Madonna-inspired outfit. Wear a white lace bodysuit, fishnet tights, a tulle skirt, and a bow. Accessorize with pearls and fingerless lace gloves.

Ahoy! This sexy costume idea is the definition of smooth sailing. Plus, it makes for an easy DIY Halloween costume. Put on a blue dress and red heels, and potentially even a sailor hat, too, if you have it.

Slip into your catsuit this Halloween with a sexy DIY costume as iconic as Catwoman herself. Wear black leggings, a mask, and a black turtleneck. Add black cat ears and knee-high boots, and you'll look fierce. Who doesn't love an all black ensemble?

Try your hand at miming with this DIY sexy Halloween costume. After all, who needs words when you look as good as this?

"The Notebook" is great inspiration for sexy Halloween costume ideas, even if the movie isn't necessarily sexy sexy. Tell your partner to wear a white shirt and a newsboy hat, and you wear a retro two-piece swimsuit, shorts, and a headband.

This teacher outfit may not be safe for school, but it's the ideal sexy DIY costume to turn heads this Halloween. What you need: a collared shirt, a black skirt, and a book (or apple).

Definitely one of the cooler DC villains, Poison Ivy makes for a great DIY sexy Halloween costume. And if you're spending Halloween outdoors, her green look makes it easy to blend in with your surroundings. Just don't get lost in any corn field mazes or pumpkin patches. To recreate this look, cover a bikini or short dress in fake ivy leagues.

Show off your moves as a professional dance troupe. This sexy DIY costume is sure to get a round of applause from the crowd. All you need are matching leotards and top hats, and add glittery face paint for extra flair.

Pretend the street is your runway. This hot Halloween costume idea is equal parts easy and sexy. What you need: a silk bathrobe, a bustier top, and feathery wings.

Channel Jane Fonda with this sexy '80s costume idea. Sweat to your heart's content and still look great this Halloween by wearing neon-colored clothes to mix and match. Top it off with a piece of ribbon or sweatband.

Brew something sexy this spooky season. A hot Halloween costume idea like this one is both fun and alluring, and it's really easy, too. All you need is a shiny gold tube dress and white felt for the foam and handle.

This is the ideal getup for any "Sims" enthusiast. A sexy costume idea as funny as this one is sure to turn heads. Just print out different-colored patches online and glue on two pieces of cardboard.

Pun gone sexy. After all, we're here for a good pun and a hot Halloween costume idea with devil horns, a red cape, a white minidress, and a yellow felt circle for the yolk.

We're all for re-creating this iconic Beyoncé outfit for your sexy DIY costume. Now, get in formation with a black bodysuit, fake bullets, and a black leather jacket.

With this sexy costume idea, you can run the town as Rihanna for Halloween. Real Swarovski crystals or not, we're here for this look regardless.

Whether it's Coachella or Lollapallooza, music festival attire makes for a great sexy Halloween costume idea. Now you can relive summer in your favorite festival gear, which you likely already have somewhere in your closet anyway.

When in doubt, channel one of Britney Spears's iconic music video outfits. Break school dress codes with this ". . . Baby One More Time" costume idea by wearing black knee-high socks, a black pleated skirt, a white collared shirt, a gray sweater, and pink poms for your braids.

This Disney movie might be an unlikely source of inspiration for sexy costume ideas, but we're here for it. Homemade outfits will make this costume come to life. Add black polka dots to any white pieces of clothing, add whiskers and ears, and bring on the puppy-dog eyes.

Here's a costume that's as simple as it is sexy. All you need is an olive-green crop top, black shorts, and fake weapons that will turn you into this gamer girl.

Come on Barbie, let's go party. This iconic look isn't just a sexy costume idea, but it'll also be perfect for this Halloween on the heels of the popular new "Barbie" movie. Wear a bubblegum-pink shirt or sports bra and lots of sparkles.

One word: fangtastic! This sexy Halloween costume idea is sure to turn heads at every party this season. By using a dollop of fake blood and wearing a black or red outfit, this look will turn you into the sexiest vampire Halloween has even seen.

Release your inner mermaid with this sexy costume idea. Sequins, sparkles, and dreamy makeup will do the trick here. Make a mermaid tail out of metallic fabric or opt for a sheer half skirt like the one here, and dive into the sexiest Halloween yet.

Winterfell just got hotter. If you can find one in your wardrobe, a silver scale-print bikini will turn heads for this sexy Halloween costume idea. If not, a skimpy brown crop top or corset with a dragon accessory works just as well when you dress up as this "Game of Thrones" icon.

The underworld never looked so inviting. Create your own rendition of a dark angel with this DIY sexy Halloween costume.
A sexy black outfit with black wings will turn you into the Angel of Death in no time. Don't forget to add the seductive eye makeup, too!

Who knew you could make a board game sexy? This hot Halloween costume idea is both unique and fun. All you need is a white dress and colored construction paper, which are the two key pieces to this costume. Cut out large circles in the construction paper, pin it to the dress, and get ready for a wild night.

Can't go wrong with this classic look, especially because the only thing you really need here are cat ears and some makeup skills. The outfit is totally up to you, but we suggest anything black and sexy.

This sexy costume idea is sure to bewitch everyone at the next Halloween party you attend. All that's required is a witch's hat and tantalizing black clothing.

Help! This sexy DIY costume is almost too hot to handle. Wear a red one-piece swimsuit and whistle, which will turn you into the beach babe of your dreams.

Finding the perfect sexy costume for this Halloween doesn't have to be a mystery. Don't worry, Detective Pikachu, we've got this costume conundrum covered. Wear a yellow tank top, yellow shorts, Pikachu ears, and a magnifying glass.

Harley Quinn once said, "Behind every great man is a badass broad." Channel this Gotham City Siren's spunky attitude with this sexy DIY costume. Wear a quarter-sleeve top, itty-bitty red shorts, fishnet tights, and pink-and-blue pigtails. Bonus points if you include a bat.

Forget going ghost this Halloween and opt for this sexy DIY costume instead. We're sure Danny Phantom would love this outfit, complete with a black tank top, a plaid skirt, a choker, and a green hair scrunchy.

Celebrate your love of soda and look great at the same time with this easy, sexy Halloween costume. Plus, this makes for a simple group costume for you and your friends.

This outfit is out of this world. Thankfully, you don't need to travel to space to re-create this sexy DIY costume. As seen in the Instagram, wear a lace top, a neon green skirt, and some intergalactic makeup.

You'll definitely look like a snack in a sexy DIY costume as good as this one. Wear a black-and-white striped bodysuit, knee-high tights, a bandit mask, and a black hat — don't forget the McDonald's cup!

Is it possible to look sexy and super cute at the same time? This hot Halloween costume idea is both funny and unique. Simply buy the costume from a nearby Halloween retailer, or, wear a long-sleeve yellow shirt underneath some overalls.

Being a hero has never looked better. This Wonder Woman costume makes for a sexy Halloween, and all you need is a red corset, blue shorts, metallic cuffs, and a bold red lip.