^^ How do you know? As wings said before, red lipstick and the whole gothic style is considered "hip".
Besides, yes. I find her and Mason a weird couple, but I know alot of celebrities who I clearly respect and adore are good friends with Marilyn Monroe. Maybe they see something in him that we don't.
Evan's a great actress and I respect her filmwork and her as a person. She's smart and she knows what she wants. So stop judging her for dating Marilyn Manson. Besides, Evan doesn't strike me as a person who doesn't know what's right and good for her.