Harper Estelle [Edit] By Sticky Facts Editorial StaffHarper Estelle biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Harper Estelle date of birth:August 21, 2013How old is Harper Estelle?12 Tags: birth day 21birth month augustbirth year 2013 Suggested Posts Steve Jobs Facts Leonardo DiCaprio Facts Shakira Facts Amy Adams Facts George Harrison Facts Adele Facts Lena Headey Facts Marlon Brando Facts