VIDEO : Kylie Jenner Dresses Up as Christina Aguiler's La 2002's 'Dirrty' Era for Halloween

Pap Nation / Splash News The 19-year-old E! star stepped out Saturday evening for a double dose of Halloween fun, this time as Christina Aguileraà la 2002's "Dirrty" era. Kylie totally nailed every detail of the risqué look, from the faux facial piercings to the dramatic beach blond and jet black tresses. Snapchat AKM-GSI Joining Kylie for the Halloween bash was Tygaand big sisters Kendall Jenner and Kourtney Kardashian. The Keeping Up With the Kardashians fixture coordinated her stunning skeleton costume with Tyga as the entire group got into the spirit with Halloween treats and over the top costumes.