It seemed to be a costume party she was flinging.

She made her first mask 12 years ago for a costume party.

We're having a big costume party with them in December.

You go to his office and it looks like a costume party, the way those people are dressed.

You act like you're ready to make this a costume party.

We met at a costume party a couple of years ago.

If this is the 1930's, he must be on his way to a costume party.

At the end of term, a traditional costume party is held.

Soon the boys are off to the costume party on their motorcycles.

The jackets looked like something a woman might really wear to more than a costume party.

A third for a costume ball at the home of an earl.

He quickly discovered that it was not exactly a costume ball.

Had she ever attended his mother's annual costume ball before?

"Are you gentlemen on your way to a costume ball?"

You look like you've been at a costume ball.

The moonlight was magical the night of the costume ball.

I was especially impressed with the piece about the costume ball.

Towards the end of the Atlantic crossing, the traditional costume ball took place.

It looked to Kyria as if they were dressed for a costume ball.

I suppose you can say it's a costume ball.