Smoke on the Water

(5x21) It wasn't easy, being the youngest of four siblings, and being the only girl. Being on the road all the time, dragged around the country by the only father figures she'd ever known; her two oldest brothers. Yep, Sam and Dean Winchester. Her brothers. And they were not easy people to get along with. That point was proven when 17 year old Chelsea Winchester woke up to yelling.