"Its focus rests on its heroine alone. But what a heroine - and what thrillingly gutsy, seductive, uninhibited filmmaking this is."
★★★★★ Robbie Collin, Daily Telegraph 

"Larraín's approach to the material is rich and intoxicating and altogether magnificent."
★★★★★ Xan Brooks, Guardian

"Showing how the dream of being a rich and beautiful princess curdled into a nightmare might sound like a hard sell, but Spencer pulls it off in heightened, claustrophobic and truly decadent fashion."
★★★★ Sophie Monks Kaufman, Time Out

"Stewart adopts the blonde bob, the Kensington clothes and the breathy voice but stops short of full impersonation and her performance is better for it."
★★★★ Raphael Abraham, Financial Times