If you are a girl you have to seriously work at it (or do roids) to even come close to bulking up like a man; I wouldn't worry at all. Eat well and lift hard, it's not like your muscles will explode in size over night, and you can always change your workout later on anyway.
Image related. Lidia Valentín snatched 120kg and jerked 145kg at the olympics, and I don't think anyone would accuse her of not looking feminine.
Image related. Lidia Valentín snatched 120kg and jerked 145kg at the olympics, and I don't think anyone would accuse her of not looking feminine.