Cate Blanchett and Hannah Waddingham join William on sofa for special edition to celebrate prince’s Earthshot prize

The Prince of Wales has braved the chatshow sofa, making a surprise appearance on The Graham Norton Show.

In the pre-recorded show, to be aired on Friday on BBC One, William made a surprise appearance in a special Earthshot prize edition to promote his environmental initiative, which has an annual awards ceremony due to be staged in Mumbai, India, next month.