Susannah Caroline Constantine is an English former TV fashion journalist, writer, style advisor, television presenter, author and clothes designer. Her second book, What Not to Wear, co-written with her fashion partner Trinny Woodall, won her a British Book Award and sold 670,000 copies.

Sarah-Jane Duncanson "Trinny" Woodall is a British beauty entrepreneur, businesswoman, fashion and makeover expert, television presenter and author.