From her great-great-grandfather Frank Keenan, a Shakespearean and silent film actor, to her great-grandfather Ed Wynn, grandfather Keenan Wynn, and uncle Tracy Keenan Wynn; Jessica is the fifth generation in a show business dynasty. The Wynn family, the Barrymore family, and the Power family, are the only families who have preserved and extended their theatrical lineages for over 100 years. She is best known for Mamma Mia! Here We Go Again (2018), and Forever (2014).