Tom Maynard's girlfriend, model Carly Baker, wrote on Twitter:
"My beautiful boyfriend Tom Maynard, I can't cope with this. I love you always and forever. You meant everything to me. We will always be together. I love you Tom X."
She added: "You're the most special man I have ever met. You made me the happiest girl. I love you always x."
More top news
A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.