It all starts when Anna Wintour gives Amy Schumer a few pointers about her sense of style. She's going to be July's Vogue cover star, after all. But Amy brushes her off — choosing what's "in" and "out" when it comes to fashion can't be hard. When both women swap careers for a day, only one proves she's got what it takes to conquer two very different worlds. Read on to see Amy get all dazzled up in a Dolce & Gabbana dress and Anna's classic dark shades, and check out Anna cracking jokes at the comedy club. Warning: you're about to watch this hilarious video on repeat all day long.