Does anybody know who this actress is?!

i have a video from youtube that shows several actors and actresses but it doesnt have there name!. can you tell me who she is!?
she is the one labeled "Jenny" in the video!. she has black hair!.
http://www!.youtube!.com/watch!?v=V_zuxlLra!.!.!.
please help, its really annoying because i know i have seen her somewhere!.Www@Enter-QA@Com

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