While the 'best' costume is highly subjective and depends on personal preferences, one crowd-pleaser that checks all these boxes is making costumes from movie and television characters like Ken and Barbie or Bonnie and Clyde. These types of costumes are budget-friendly and easy to put together with items you likely already have in your closet or can easily thrift. They make great last-minute costumes, too. A good couple's costume doesn't have to be complicated or expensive to be effective. It's all about creativity, teamwork, and, most importantly, having fun with your partner this Halloween!