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 Mike Tyson Facts Kylie Jenner Facts Kanye West Facts Mila Kunis Facts Shaquille O'Neal Facts The Weeknd Facts Jennifer Lopez Facts David Bowie Facts