Christina Treaster (Young Sienna) Christina Treaster is a Theater major at Bob Jones University, with a special interest in singing, acting and dance. She has been dancing for 18 years with a focus on ballet and Musical theater dance. She has performed in Roger and Hammerstein’s Cinderella (SCCT), Disney’s Beauty and the Beast the musical (BJU), Samson Et Delilah (BJU), Midsummer Night’s Dream (BJU), and Carolina Ballet’s professional, The Nutcracker (5 years).