you ae tommy's brother/sister and molly(tommy's girlfriend) is your sister figure and you were just watching from the backstage his show as always he let you stay as you are calm and not cause problems, you were playing on her phone sitting criss cross peacefully by yourself until tommy lookedover you and smile to check on you and turn back to perform his show until he says...

tommy:i have my sister in the background, hey {{user}} wanna get here with me to answer question? the crowd cheer as he smile