Nicholas Galitzine used to perform a Backstreet Boys song for his family.

The 29-year-old actor plays Hayes Campbell, the lead singer of boy band August Moon, in new rom-com ‘The Idea of You’, and Nicholas has revealed that he used to perform in front of his parents during his younger years.

The London-born star – who appears in the movie alongside Anne Hathaway – told Billboard: “There’s a song that I used to perform in front of my parents and my sister. I think it was called ‘Incomplete’ by the Backstreet Boys. It’s so melodramatic, so I think that’s what makes it a perfect boy band song.”

Anne, 41, is also a long-time fan of pop music.

And the Oscar-winning actress has revealed that she’s particularly fond of Madonna and Britney Spears.

Anne shared: “The ultimate pop song for me is ‘Like a Prayer’ by Madonna, followed by close second, ‘…Baby One More Time’ by Britney.

“We’re really lucky right now – we’re living in this glory time of pop music. There’s so many ones out there right now, but those two … I think ‘Toxic’ is really amazing too.”

Meanwhile, Nicholas previously played down comparisons between his on-screen character and pop star Harry Styles.

The actor – whose character falls in love with 40-year-old single mother Solene Marchand, played by Anne – told Variety: “It’s funny because it’s not a comparison that I’ve ever made. But people really like to make it.

“Hayes Campbell, the man I’m playing, is a very different character and we want him to exist in his own world.”