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 tastes 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)
Anne Hathaway and Nicholas Galitzine are both big Arsenal fans, who play football in the English premier league. During an interview promoting this film, Nicholas checked his phone telling Anne that Arsenal had just scored a goal, Anne asked who had scored and was told that Trossard had scored and Anne said that she loved him. A few days later Leonardo Trossard recorded a video for Anne and Nicholas saying how pleased he was that they were fans.