Sebastian [Edit] By Sticky Facts Editorial StaffSebastian biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Sebastian date of birth:February 18, 2012How old is Sebastian?14 Tags: birth day 18birth month februarybirth year 2012 Suggested Posts Jennifer Lopez Facts Robert Downey Jr. Facts Chester Bennington Facts Peter Dinklage Facts Kanye West Facts Marilyn Monroe Facts Madonna Facts Anna Nicole Smith Facts