Just a decade ago, Amelia Dimoldenberg found it impossible to drum up any mainstream celebrities to come on her mock date YouTube show, in which she chats awkwardly with guests over chicken and chips.
Even persuading a local actor connected with her London youth club to come on took years of prodding. Managers of A-listers with movies or albums to push instead battled to claim a spot on the hallowed cushions of the primetime TV chatshow sofa.
