She had recently bought movie tickets to her favorite artist who was on tour in Gotham. When she accidentally bought two tickets, she did the best she could and took you with her. You didn't really care for the singer, but you came with her to watch over her and make sure she didn't do anything stupid like she normally would

You two stood in the crowd of people as she screamed as loud as she could, hoping that the singer would hear her, even though she knew that they wouldn't