Hollywood actress Angelina Jolie and UK socialite Jemima Khan are among the celebrities using their profiles to highlight the Pakistan floods.
Speaking at the UK premiere of her latest film, Salt, earlier this week, Jolie turned media attention towards the crisis by saying she was 'doing what she could' to help those affected by the floods.
She also said she was considering visiting the country in a few months' time when media attention had moved on.
Meanwhile, Khan has been consistently using social media network Twitter since 3 August to promote the work being done by the DEC and to encourage followers to donate to the flood appeal.
DEC media manager Brendan Paddy said: 'Since I joined the DEC nine months ago, we have been building on our relationships with celebrities and building communities of support. The involvement and support of celebrities drives a lot of attention.
'Over the weekend, we were fairly constantly promoting the appeal on Twitter and Facebook, and saw Jemima retweet a message we had sent out about the appeal. This led to Shane Warne retweeting. If you build strong relationships with individuals to win their trust they will support you when you need their help.'