After hosting her own get-together
, Sandra Oh
joined Grey's Anatomy
co-star Ellen Pompeo
at bash to celebrate Pompeo's appearance on the cover of L.A. Confidential
magazine. "I go to Joan's on Third and get my Chicken Milanese and prosciutto," said a Calvin Klein-clad Pompeo of the Emmy day buffet she'll provide for her guests in the hours leading up to Sunday's red carpet. "I do love to have a spread for all the hair and makeup people and the stylists."