Britney takes part in a Nativity play for the very first time.She finds out that she is going to have a special role acting in the Christmas story in school, playing Mary. This is a very important part as she will help the teacher tell the story. So she will need to learn her lines, practice a song and find a costume before the big performance.Join Britney on stage for her starring role!My First is an engaging documentary series which captures the wonder of a child experiencing new activities and encounters for the very first time, and encourages viewers to share in these milestones.