TEQUILA! TEQUILA! Hola mis amigos! If it's time for a fiesta then our Mexican Fancy Dress category has everything you could need. With our extensive Mexican fancy dress ideas, you'll never run out of possibilities. We've got funny Mexican fancy dress and serious. From our Tequila Shooter Girl to our Hey Amigo Mexican with Donkey costume. Pull out that sombrero, whip on your party poncho and shake those maracas, because it's time to party! Our Mexican costumes are real winners.