Fans believe Harry Styles inspired the romance novel 'The Idea of You' because Hayes Campbell is a young British musician who is the lead singer of the fictional band August Moon, much like the former One Direction singer. Styles and Campbell also share similar taste in women, as the "Watermelon Sugar" singer dated Olivia Wilde, who is ten years older than he is.
Solène's office features a poster of pioneering abstract Swedish artist Hilma af Klint, whose paintings are among the first abstract works known in Western art history.
Anne Hathaway and Nicholas Galitzine each starred in Cinderella adaptations--Ella Enchanted (2004) and Cinderella (2021), respectively.
Anne Hathaway (Solène) and Nicholas Galitzine (Hayes) sing Somebody To Love by Queen in Cinderella adaptations. Hathaway in Ella Enchanted (2004) and Galitzine in Cinderella (2021)
Graham Norton and a fictitious clip from The Graham Norton Show (2007) appear towards the end of the film.