Who am i (Job edition)

 

                                                         Who am 

i My job that i wanna do when i grow up evolves dancing and singing. Who am i. I would need to show up early and have a lot of confidence and energy. I would meet new friends and learn some new names. If i have stage fright i would need a new job. I would need to be measured for fitting clothes. I need to be brave and loud and sometimes i would need to use a green screen. Who am i can you guess