Expect a lot of touching this Saturday night when Helen Mirren hosts Saturday Night Live for the first time. You see, the Oscar winner is nervous. Or horny. It’s tough to tell. She seems rather comfortable with Fred Armisen — the way they finish each other’s sentences, Mirren would be a logical choice should Garth & Kat ever expand to a trio. Click the jump to see Mirren’s promos, including one where Andy Samberg gets a little “nervous” himself.