Season 3 of 'The Crown' focuses on the Prince of Wales's love life pre-Diana.

Prince Charles's relationship with Camilla Shand comes under the lens in Season 3 ofThe Crown, offering a rare peek at his love life before he became involved with Princess Diana. The famous princess doesn't appear in The Crown's new chapter, but the rise and fall of Charles and Camilla's romance sets viewers up perfectly for Diana's debut in Season 4.