Over the years, Watson has also sung in various benefit concerts. She has performed for Children in Crisis, British Red Cross and The Head & Neck Cancer Research Trust of The Royal Marsden Hospital in London, where she also sang for the Indian charity of Magic Bus in a Gala Dinner attended by Elizabeth Hurley among others at the Park Lane Hotel. In addition, Watson has also performed on behalf of a Sir Winston Churchill charity at Blenheim Palace in England and for the Anti-Human Trafficking Campaign for the United Nations at Hofburg Imperial Palace in Austria. Watson has also worked for AdoptSriLanka.com to help re-build the community of Sri Lanka after the destruction of the 2004 Indian Ocean tsunami.