The presenter said overtaking 'BBC Breakfast' in the ratings would be an 'extraordinary achievement'.
Presenters including Susanna Reid, Bill Turnbull, Steph McGovern, Louise Minchin and Charlie Stayt appeared in the video.
The weather presenter didn't realise the pop star was listening in to the show on live video link.
Former BBC Breakfast star Steph McGovern has revealed she suffers with vivd night terrors which see her fearing she has 'lost' her ten-month-old baby daughter
The weather presenter apologised after an unfortunate slip of the tongue during a live broadcast on BBC Breakfast.
The singer believes she will need to work to build her confidence back up to perform again.
The 57-year-old weather presenter has injured her knee after she was hit by a car while cycling.
Former BBC Breakfast presenter Bill Turnbull has revealed he is 'calm' about the prospect of death and knows it is 'waiting' for him
The BBC Breakfast host reached out to the former One Direction star on Twitter to ask what had upset him.
The television presenter explained how trolls had gotten specific about "things [she'd] never thought of".
Twitter has warned that any further attempts to mislead the public on its platform during the election will lead to action.