The Mother of All Lies is a 2023 Arabic-language documentary film directed, written, produced and edited by Asmae El Moudir. The film explores the director's search for truth in her family background, combining personal and national history. It is a co-production between Morocco, Egypt, Qatar and Saudi Arabia.

The 76th annual Cannes Film Festival took place from 16 to 27 May 2023. Swedish filmmaker Ruben Östlund served as jury president. With the French film Anatomy of a Fall winning the Palme d'Or, the festival's top prize, Justine Triet became the third female director to achieve the prize, after Jane Campion in 1993, and Julia Ducournau in 2021.