Sienna Miller was out in London today to take her dog Bess for a walk while Jude Law's off filming a hot ad for Dior in Paris. Sienna herself has been doing some traveling after a recent philanthropic trip to Haiti, which inspired her to write an article. She wrote in a piece for The Huffington Post that, "I suppose what I am attempting to do is use whatever means I have to generate some sort of attention for a country I feel utterly passionate about. I am not a writer, but one thing I have always somehow managed to do is garner press attention. I am now hoping to exploit that for a very good cause." Sienna doesn't have to be so modest, as she also blogged about the situation in Congo after a visit last year.