[And Piper got to witness the whole thing, noting immediately the difference in expression, even if all the physical stuff was the same minus coloring. Voice, too, though the accent was new.]
You're Calliope?
[Even if the features were different than what Piper's seen up to this point, she can tell the expression was completely different as well. Eye color, too. This was definitely not the same person...
Or he was a really good actor. She wasn't ready to completely let her guard down just yet.]