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

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.