Fast-food diners were met with a royal surprise when Prince William stopped to chat earlier this week.

On Tuesday, the Duke and Duchess stepped out to attend the opening of Kate's Hold Still photography exhibit in London. Along the way, they crossed paths with a Kentucky Fried Chicken restaurant, which caught the eye of Prince William.

Prince William chats with KFC diner in London: Pictures

In several photos, William was seen pausing by the KFC windowfront and chatting with a woman through the glass. The encounter made for some fun responses online, as the future King appeared distracted by the unassuming American fast-food chain.

KFC took notice of the royal crossover with its restaurant, responding on Twitter with several puns about British royalty. "William whispered quietly to himself; Oh, I just can’t wait to be wing," the restaurant's UK and Ireland Twitter page wrote.

They also remarked on a missed opportunity, afterward. "I'm sad I didn't call him His Royal Thighness in the main tweet tbh," the account added.

In the comments, Twitter users also joked about Prince Andrew's infamous Pizza Express story, and Prince William's yearning for a zinger box meal.

Prince William's London outings in October 2020

Following the KFC stopover, the Duke and Duchess were on their way to Waterloo Station for the Hold Still launch, a great success for Kate's long in-the-making lockdown photo project.

Tuesday's launch was then followed by Prince William's attendance at a ground-breaking ceremony for the Oak Cancer Centre in Sutton. He laid the foundation stone for the new facility, visiting Sutton's Royal Marsden Hospital 30 years after Princess Diana did the same at the Royal Marsden Hospital in Chelsea.

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