Same look, New Role

How very A Walk to Remember of her! Don't be mistaken A-Listers, Mandy Moore is not reprising her role as leukemia-stricken Jamie from the tear-jerker film. Rather, the actress/singer/designer is guest-starring on Grey's Anatomy. This still from an upcoming episode shows that all is not well with the new patient at Seattle Grace. What illness will it be this time?