Petticoats solve a familiar costume problem: the dress looked full in the photo, but the skirt hangs flat after you put it on. A petticoat adds shape underneath, helping a witch dress, fairy skirt or 50s circle skirt flare away from the legs. It can change the outline without changing the main costume.
The right choice comes down to the outer skirt's length, colour and intended shape. Start with our petticoats range, then compare the underskirt with the costume rather than judging it on its own. The hem should work with the dress, and the amount of volume should suit the event as well as the photo you have in mind.
What a petticoat actually does (and when you need one)
A petticoat is a layered underskirt that sits beneath the outer skirt and holds it away from the body. It is useful when the costume relies on a visible flare: a circle skirt that should swing, a tutu-style skirt that needs more body, or a longer gown designed to widen towards the hem. Without that support, the same dress









