The French Maid

Even if sprucing up is not your thing, a French maid Halloween costume is sexy in any size. The puffed-sleeve dress and mini skirt shows off your curves in all the right places, and a feather duster can be a flirtu come-on tool.

Renaissance

Renaissance wear works well in all sizes as well. For instance, you may dress as the town wench with a lace up frock. Accessories with a dagger and an eye patch and this works as a pirate wench as well. Or go for a queen's design with a flowing gown designed for curves and a crown. You can most times find matching men's costumes in Renaissance wear if you are looking for a couples Halloween costume theme.

Elvira

The mistress of the dark has some curves of her own, and you can apply this to your advantage. Plunging necklines will accentuate your features and curves. Add a belt and dagger and Elvira wig and this costume is perfect.

Cleopatra

If you have ever dreamed of being an Egyptian princess, there are adult Halloween costumes in this design that come in all sizes. With a white dress with an Egyptian sash and gold accessories, you are set to rule the Nile. There are also many of men's Egyptian costumes as well, making this a good couples Halloween costume theme.

Super Hero

Ready to save the world? Super hero costumes are a perfect way to have fun on Halloween. You can often find these in figure-flattering shapes, complete with boots and cape. Many super hero designs come in men’s Halloween costumes as well.

Vegas Girl

You can make “what happens in Vegas, stays in Vegas” your theme for Halloween night. Whether you wish to be a Vegas showgirl or Playboy bunny, many of these alluring Vegas girl costumes are found in plus sizes. The flattering corsets will help accentuate your curves, while cute accessories like stockings and bunny ears can help you to finalize your look.

Sexy Nurse

Is there a medic in the house? You can compliment his outfit with a sexy nurse’s uniform. Like many sexy Halloween costumes, these are intended to show off your curves. Accessories with a nurse’s cap and a stethoscope, and you are prepared to treat his every ill.

Schoolgirl

One of the classic sexy Halloween costumes, the schoolgirl outfit can be fitted for the plus-sized girl as well. Combine the cute plaid skirt with a sexy white top and knee high stockings, and you are ready for your Halloween lessons.

With a little planning, you can find the perfect plus-sized Halloween costume for any Halloween celebration.