Duchess Kate visits addiction rehab center Catherine, Duchess of Cambridge attends the UK premiere of "War Horse" at the Odeon Leicester Square on Jan. 8, 2012 in London. Credit: Ian Gavan/Getty Images/ (CBS) Kate is keeping busy while William is in the Falkland Islands on a six-week deployment. The Duchess of Cambridge, who accepted an honorary patronage with Action on Addiction in January, made a private visit to the Clouds House, a drug and alcohol rehabilitation center in Wiltshire on Thursday. Pictures: Kate, Duchess of Cambridge Catherine's visit lasted until the afternoon. She met with staff working there, as well as many of the patients being treated," a source told Us Weekly. In the morning she had some meetings with key staff at the Action on Addiction HQ, which is next to the rehabilitation facility. The Duchess will continue her duties next week. She is scheduled to visit the National Portrait Gallery in London on Feb. 8 to attend a private viewing of the Lucian Freud Portraits exhibition, reports Us Weekly. Kate will also travel to Liverpool on Valentine's Day to learn more about Action on Addiction's charity work in the city. In addition to Action on Addiction, the 30-year-old accepted honorary positions with East Anglia's Children's Hospices, the Art Room and the National Portrait Gallery.