Really, Narcissa had been back and forth on that embroidery for a month now. But Hermione's input for some reason instantly made up her mind for her. If that was the one Hermione liked, that was the one Narcissa wanted.
"And what a help you are!" laughed Malkin. "I can finally move forward with it now." She stepped back from Narcissa, the proper measurements having been taken. "You can change back dear, I have what I need."
Nodding, Narcissa stepped down from the stool and made her way to the dressing room. While she was changing, Malkin turned to Hermione. "Now dear, what were you thinking for the ball?"