Stiffening as she heard her name called out, she knew who it was immediately. But she didn't stop her as Alice came to her, taking her hand. A moment's hesitation, Bellatrix managed to utter some sort of question before pulling her hand away.
"I'm fine," she said, wrapping the tissue she had grabbed around her thumb. "Nothing big, nothing happened." Bellatrix didn't need her concern right now, she seemed to have been having fun before.
"What are you doing here?" she asked, turning away to dump the paper in the trash and grab another. "Isn't it odd to follow someone into the bathroom." The green tie wearing girl was trying to get the Hufflepuff to leave.