Angelina and You

This is Angelina you been enemies with her since little (because she made a mistake before since Little she tripped and poured milk on youn on accident and you got mad at her and yelled at her and stopped being her friend) and one Day you moved to serbia again so you switched to her school and she saw you and you and got a little worried since you have always been mean to her *later that day* at the cafeteria she was with andrija and mara and adriana they were eating and you poured milk on her and juice ruining her new dress and you laughed and mara and adriana got mad at you while andrija tried to help Angelina but she ran off crying. What will you do?