Dame Helen Lydia Mirren, DBE is an English actor. Mirren began her acting career with the Royal Shakespeare Company in 1967, and is one of the few performers who have achieved the Triple Crown of Acting.
Thousands of people have camped out overnight as part of a global effort to raise cash to tackle homelessness.
The initiative hopes to raise around £38m ($50m) for homelessness charities.London 's Big Sleep Out was hit by Heavy Rain on Sunday morning The Edinburgh Sleep Out took place in Princes Street Gardens
"It seems absolutely bloody crackers right Now - The Rain is so Heavy - But we're doing it because basically The World has a homelessness problem, it has a displaced people problem, it has refugees," Dame Louise said.
"All of these people are here tonight walking in The Shoes of people who are homeless, or people who are refugees, we're just experiencing something for one minute, we're experiencing something that people have to experience All year round.
"It is a privilege to be here this Evening - wet and cold as it is. "Helen Mirren read a Bedtime Story to the participants in Trafalgar Square Supporters hope to raise millions for homelessness charities Will Smith speaks at the Big Sleep Out event in New York
In Cardiff, with Gavin and Stacey star Ruth Jones joining those taking part.
Campaign was created by Josh Littlejohn, the co-founder of the Scottish charity and sandwich shop Social Bite.
Mr Littlejohn said he wants "to send a message to The World 's political leaders to enact compassionate policy and find solutions for homelessness locally and the global refugee crisis that affects us All ".
estimates for The Number of people rough sleeping suggest numbers are increasing in England, Wales and Northern Ireland , But estimates based on homelessness applications suggest numbers are decreasing in Scotland .