Demi Devonne [Edit] By Sticky Facts Editorial StaffDemi Devonne biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Demi Devonne date of birth:August 20, 1992How old is Demi Devonne?33 Tags: birth day 20birth month augustbirth year 1992 Suggested Posts Shakira Facts Peter Dinklage Facts Kanye West Facts Leonardo DiCaprio Facts Robin Williams Facts Amy Adams Facts Kit Harington Facts Lady Gaga Facts