Anthony D'Alessandro Editorial Director/Box Office EditorEXCLUSIVE: CAA has inked Oscar nominee and eight-time Emmy nominee Kristen Wiig.The Groundlings alum who went on to a seven year career on Saturday Night Live, has continued on to work with such acclaimed filmmakers as Darren Aronofsky (mother!), Alexander Payne (Downsizing), Richard Linklater (Where’d You Go, Bernadette?), Sebastian Silva (Nasty Baby), Ridley Scott (The Martian), and Marielle Heller (The Diary of a Teenage Girl).Wiig will