Richie Hospitalized Nicole Richie has checked herself into a private facility for an undisclosed treatment. According to a statement from Richie's reps, published on E! News Online, "She is working with a team of doctors and specialists whose focus is nutrition..." Nicole will undergo diagnostic treatments to determine why she can't gain weight. Recent photographs of Richie have created a buzz in Hollywood that she may have issues with food. Nicole's reps say "this is not a treatment for an eating disorder." The reps add that Nicole wants to deal with her weight issues in the healthiest possible way.