LONDON (Reuters) – Two dresses worn by late British singer Amy Winehouse have been stolen from her house, her family’s charitable foundation told Reuters on Thursday. The two dresses were due to be auctioned as part of charity events later this year and next in London and New York to raise money for The Amy Winehouse Foundation, which funds a number of concerns including children’s hospices and drug counseling. One of the Back to Black singer’s stolen frocks was the dress she wore to marry Blake Fielder-Civil in 2007 and the other was a newsprint cocktail dress. …