Malala Yousafzai and other prominent figures join HRH the Prince of Wales, the Duchess of Cornwall and the Duke and Duchess of Cambridge in supporting the DEC's Pakistan Floods appeal.
As the true impact of the flooding in Pakistan becomes clear, thousands are left stranded without food and a health crisis looms on the horizon.
A Dengue fever outbreak in Karachi is causing concern and there is a high risk of diseases such as cholera, malaria and typhoid spreading in the aftermath of the floods.
The Pakistan Floods Appeal has raised over £30 million in just one month, including £5 million in UK Aid Match.