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 Ariana Grande Facts Adam Sandler Facts Kim Kardashian West Facts Shakira Facts Mark Wahlberg Facts Steve Jobs Facts Miley Cyrus Facts Charlize Theron Facts