Jessica Keenan Wynn

Jessica Keenan Wynn (born Jessica Keenan Armstrong; June 12, 1986) is an American actress and singer. She is known for her roles as Heather Chandler in the off-Broadway production of Heathers: The Musical and Young Tanya in Mamma Mia! Here We Go Again. Personal life Wynn is the daughter of Edwyna "Wynnie" Wynn and Roger Armstrong. Her legal surname is Armstrong, but she changed it to carry on the Wynn name. She is the niece of actor Ned Wynn and screenwriter Tracy Keenan Wynn; the granddaughter of Keenan Wynn, whom she was named after; the great-granddaughter of comedian Ed Wynn; and the great-great-granddaughter of Frank Keenan, all of whom were prominent actors. Stage performances