Watch Liar, Liar, Vampire (2015) HD Full Movie Free on SolarMovie. Watch Liar, Liar, Vampire (2015) online free. When Caitlyn, the most popular girl in school, mistakes new kid Davis for a vampire, he gains instan...When Caitlyn, the most popular girl in school, mistakes new kid Davis for a vampire, he gains instant celebrity status. Davis enlists the help of his next-door neighbor, Vi, to dial up his vampire act. Together, will they fool the school?