'She's the mother we all had for such a long time.'
They expressed their disbelief.
The Queen's death was announced earlier today.
BBC One has suspended its regular programming.
From The Crown to Minions, her Majesty had been portrayed many times on screen.
The pair had famously teamed up for a skit at the London 2012 Olympics.
King Charles III takes to the throne age 73.
Piers Morgan has requested viewers to send tributes for the Queen.
'We have all rehearsed it, so many times.'
Dame Helen has played the monarch on two occasions.