Sitting Up!!!

So Alayah has officially decided that she is too good for rolling over and has decided to move on to bigger and better things like oh I don't know....sitting up! I'm so proud of her, but at the same time it is so sad to see her skipping milestones and moving on to the next big thing. It scares me that she is going to start crawling and walking sooner that normal too. :( She can't start crawling without the fundamentals of rolling first right??? Someone please say yes lol