Charlie’s Angels star Kristen Stewart has signed on to play Princess Diana in director Pablo Larraín’s new film, Spencer.The film, written by Peaky Blinders creator Steven Knight, imagines a weekend in the early 1990s when Prince Charles’ wife decided her marriage to the heir to the throne wasn’t working.Production is expected to begin in early 2021 and the film is expected to be one of the hot ticket packages up for grabs at the virtual Cannes Market.Larrain, who previously enjoyed success with