As a child Ashley dreamed of doing ballet in New York City. Filming "You're Invited to Mary-Kate and Ashley's Ballet Party" allowed her dream to come true.
Ashley Olsen and Sarah Hay were the only ones who had experience with ballet prior to filming this episode. Mary-Kate had never done ballet prior to "You're Invited to Mary-Kate and Ashley's Ballet Party". As children Ashley and Sarah studied ballet. Sarah Hay continues to do ballet today. Ashley has since moved on to focus on her fashion career with Mary-Kate.
Sarah Hay's debut.
Sarah Hay plays Mary-Kate and Ashley's friend Stephanie. During their time on "Full House" Mary-Kate and Ashley shared the role of Michelle. Their former co-star Jodie Sweetin played their big sister Stephanie.