It's a high-class problem, of course, but still a tough one: What do you wear to receive a lifetime-achievement award? What strikes the right tone of humility and gratitude? Prince, never one to shy away from excess — or high heels or big floppy sleeves — went with all three. His tunic, whose color palette echoed that of a vintage toothpaste tube, bore an image of a man who looked very much like the singer, as well as the glyph Prince used instead of his name for a while. At least he had a ready answer for the inevitable red-carpet question: Who are you wearing?