"So he made a trip over there to see how progress was going.
"They've apparently done an exponentially large amount of vaccinations in that area so that's really great.
"I just feel like it's hard to see William with everything going on."
Prince William's 'tired' appearance in recent engagement sparks concern for 'drained' Duke (Image: GETTY)
The Duke of Cambridge has been visiting a vaccine centre at the King's Lynn Corn Exchange. (Image: GETTY)
She continued: "To me, he looked a little bit tired.
"Obviously it's hard when people are wearing masks and you're only seeing above the eyes.
"But I think it's just, from his point of view, been a really exhausting, draining time.