Mardi Gras Costumes for Women Plus Size -- Mardi Gras is better with costumes, and we're here to help! Browse our collection of Plus Size Mardi Gras costumes, and get ready to join in the fun! Dress up as a Jester, or a sexy burlesque or cabaret dancer. These costumes are designed for a full figure, so you'll look beautiful this Carnival with all the right curves. Don't forget your Venetian mask!