The M&S deli section may seem the unlikely subject of a song. Yet last summer, X Factor alumnus Diana Vickers took social media by storm with a ditty about the retailer’s “picky bits”.

“It’s not dinner but it’s not lunch – some nibbles in the sun,” she warbled. “We are talking three-for-two and two-for-one, Marks & Spencer has a deal on some picky bits.”