Demi Moore has dominated the Cannes Film Festival red carpet with her bright, bold and fashion-forward looks, including her purple Gucci organza gown and her electric pink Matières Fécales look. The Substance actress, who sits on the jury for the Palme d'Or prize, proved that she wasn't done turning heads on the red carpet when she arrived in a unique, avant-garde look on Monday ahead of the Fjord screening.