Slater decked out in knightly costume, fittingly in the spirit of Halloween, Grande opted for a more understated yet stylish look. She wore a beige dress, a brown coat, and gloves. What caught the eye, though, was her paper "Spamalot" crown, a nod to the show she had just watched. "Spamalot," the Broadway show featuring Slater, along with Michael Urie and Christopher Fitzgerald, is set to open on November 16.
