Lucy and the twins certainly noticed how Zelda suddenly went back to being that clueless ditz that they remembered her being but had yet to connect it with the necklace they had just removed from her.
Zelda was still trying to figure out just what she was doing there when she noticed the three goths in front of her. "Oh right yea I recognize you. You're friends with those girls that we set up." she blabbed.
That admittance caused Lucy, Beth, and Christine's eyes to widen and they quickly surrounded the wide-eyed and now very scared young lady. "We want you to tell us everything that you know, and we mean everything." Lucy commanded as the twins each grabbed an arm and carried her to Lucy's apartment upstairs where the interrogation was set to begin.
Lucy looked at the pendant in her hand. Still wondering why Zelda's personality shifted so suddenly after taking it off of her. "Well no use worrying about it, I'm sure Linda will be happy to get this back." she says to herself and sticks it in her pocket before following her cousins upstairs.