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 Bruno Mars Facts John Lennon Facts Steve Jobs Facts Chester Bennington Facts Ronaldo Facts Michael Jackson Facts Ed Sheeran Facts Brad Pitt Facts