Hayes Campbell ’s whole look was in reality inspired by that of Harry Styles and Matty Healy .

🚨 warn : There are monumental spoilers in the lead forThe Idea of You ! 🚨

1.First, Nicholas Galitzine, who stars as Hayes Campbell, said that his chemistry test was “the mostdauntingaudition I’ve ever been asked to do.” He explained that he had to perform several scenes with Anne, “convince her to do an improvised dance,” and “serenade everyone.”

2.In fact, Nicholas andAnne Hathawaymet for the first time during their chemistry read. “Annie’s someone who perfectly encapsulates the type of career that I want for myself in the sense that she’s incredibly versatile. She really is so gifted,” Nicholassaid. “She’s obviously this extremely radiant, beautiful human being.” He also said that he and Anne “just immediately had an understanding for each other, and both saw the potential fun that [they] could have with these characters.”

4.Nicholas, Jordan Aaron Hall, Jaiden Anthony, Raymond Cham Jr., and Viktor White, aka August Moon, bonded by having “a lot of game nightsplayingMario Kart.” During filming, they all stayed in the same hotel, which helped make the band’s friendship translate onscreen.

5.Nicholas and the rest of the August Moon members all had to participate in"boyband bootcamp"to prep for the movie. “Boyband bootcamp looks like a lot of dancing,” Nicholas explained. “Doing the choreo over and over and over again just so you remember it. There was a lot of it. We had six numbers of choreo to do, not all of it made it into the movie.”

6.Nicholas actuallysingsall the August Moon songs in the movie and said that even though he had “such fun” doing it, he probably won’t make the leap to becoming a pop star.

7.Several of August Moon’s songs, including the lead single “Dance Before We Walk,” were written by Cark Falk and Savan Kotecha, aka the teambehindOne Direction’s “What Makes You Beautiful.”

9.The Coachella scenes were actuallyfilmedin Atlanta. Production recreated the music festival in a field and hired about 500 extras to play fans. Nicholas explained, “[Coachella] was filmed at 3 a.m. in winter in Atlanta, and we had about 500 extras who we placed throughout at different points of the concert. And even performing in front of 500 people is very anxiety-inducing.”

10.The movie’s beach scenes were shot in Georgia, too. “In reality, we’re in Savannah, Georgia. We’re in the water, we’re freezing,” Nicholassaid.

11.In creating Hayes Campbell’ssignature look, costume designer Jacqueline Demeterio sought out inspiration fromHarry Styles,Matty Healy, and Paul Klein from the band LANY.

12.And Nicholas loved some of hiscostumepieces so much that he ended up buying the exact same pieces for himself.

13.In the scene where Solène travels to New York to meet up with Hayes at his hotel, Anne actually ended upwearingher own pair of Alaïa shoes with her costume. “We were in a fitting, and she just said, ‘I have the perfect shoes for this outfit.’ It was so important for her to feel sexy in that look, and it was important for that scene,” Jacqueline said.

14.The moment where Hayes kisses Solène’s stomach was Nicholas’s idea, but when filming, themomentdidn’t exactly go as planned. “I’m thinking, OK, I’m gonna do something very sexy here. I’m gonna kiss her stomach, and people are gonna go wild for it,” he explained. “At the moment I go to do it, she dips her stomach below the water, and I swallow a whole mouthful of seawater and start choking.” The sexy momentdidmake it into the final cut of the movie, though…minus the choking.

15.Finally, in the movie, Solène refers to herself as “a people-pleaser from New Jersey,” and Annerevealedthat she came up with that line. “I think I’m aformerpeople pleaser from New Jersey,” she said. “So much of the reason I was drawn to acting is that it was an outlet for expression that I could not find on my own.”

The Idea of Youis streaming on Prime Video.

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