Why, it's our old pal Pauley Perrette on the set of NCIS with guest star Lily Tomlin! She tweeted: "Was with the AMAZING LEGEND Lily Tomlin today. #LOVE.” According to Entertainment Weekly, in the annual Q ratings of audience awareness and likability, Pauley was just voted the most popular actor on primetime TV! Omg, congratulations! She's come a long way since working at Club USA!