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 Katy Perry Facts Emma Watson Facts Beyoncé Knowles Facts Aaliyah Facts Taylor Swift Facts Peter Dinklage Facts Lena Headey Facts Marlon Brando Facts