I think that the scariest and most popular costume is SCREAM! HAPPY HALLOWEEN
Start by looking at what is most popular at costume shops such as www.spirithalloween.com/boys-costumes. Then see what the boys themselves want to be!
The most popular costume and accessory bought during halloween is a ghost or a witch. The most popular halloween accessory is a witch hat or broom and a sheet for a ghost.
It was a witch.
witch
A Princess
Judging from the responses here, the most popular boy costume was "girl"
BOYS: mummies GIRLS: witches
The most popular Halloween costumes in 2016 will probably be Hillary Clinton and Donald Trump.
The bumblebee is definitely the most popular amongst the little ones!
The most popular and common Halloween characters for girls are princesses. Every little girl dreams to be a Disney princess, therefore they go with being Ariel or Cinderella, as well as all the other Disney princesses.
The most popular costumes for girls in my opinion are Witches, Princesses, fairies and Superstars (Hannah Montana, etc.,etc...) im a kid but my favorite costume was homemade cat i had fake sparkly eye lashes and every thing.it was awsome!!!