After Greta Van Susteren interviews Donald Trump, Katy Perry hosts. She's an MSNBC commentator on Al Sharpton's show, Florence Welch in a promo for a dog film's soundtrack, Duchess Catherine's raucous sister Pippa having a chat with the Queen, Christina Aguilera in a promo for "The Apocalypse", and a Hello Kitty aficionado on MSU's campus parody of Japanese pop. She also sings about best friends, chats with Kalle, an eerie and robotic Finnish talk show host, and finds her soul mate at a bar while a jazz trio plays. On "Weekend Update," an American Airlines pilot apologizes to Alec Baldwin. Cameos by Matt Damon, Val Kilmer, Darrell Hammond, and Alec Baldwin. Robyn performs. Written by
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Hark! The Herald Angels Sing
Music by Felix Mendelssohn-Bartholdy See more