Amanda Holden praised the "forever friendships" made by mourners who were queueing for hours to pay their respects to the Queen lying in state.
The radio host said that it was a "privilege" to talk to members of the public who faced 11-hour queues this weekend.
Wearing a lilac dress and tailored blazer, the 51-year-old gazed at Westminster Hall - where the Queen's coffin has been open for public viewing.