She is best known for directing music videos and commercials, photographing celebrities, and portraying Sarah Genatiempo in the Internet series lonelygirl15 and its spinoff LG15: The Resistance.
As a young adult, she appeared in soap operas, commercials and on Barbie boxes, as the face of Mattel.
She moved back to LA, and worked in production for Bully Pictures and Bullrun car rallies.
She then went on to become head-writer in Los Angeles for Digital Playground, earning a Best Picture AVN nomination for her script, Assassins.
For a time, Alexandra worked for Paris Hilton, after which she moved to New York City and developed a name for herself as a fine art photographer, Ra Dreyfus.