Britain's Duchess of Cambridge is welcomed by cheers as she visits an addiction treatment centre.<br/> <br />The duchess toured the Hope House Treatment Centre Tuesday in her first solo public appearance since she and Prince William announced her pregnancy.<br/> <br />She spoke with patients and staff at the London facility, which helps women recovering from substance abuse problems.<br/> <br />Kate is a patron of Action on Addiction, a charity that provides prevention, treatment and support services to people with addictions and their families.<br/> <br />The royal baby is due in July.
