"Oh," Lily said, cocking her head to the side and studying the young woman in front of her. Now that she was really paying attention, she could see some differences between her and Hermione, but at a glance when she wasn't really thinking, it was easy to mistake them for each other. "I'm sorry. I'm Lily Evans. Hermione is a friend of mine."
A good friend, who was currently looking after the baby that Lily didn't recall having.