How much weight did you put on in 25 weeks?!

How much weight is normal to put on in 25 weeks I know everyone is different but I’m 5ft and before pregnancy weighed 7 stone.. petite frame now at 25 +3 I’m weighing 8 stone 5lbs. So I have already put on 19lbs. I’ve been quite lucky it’s all in my belly so far nowhere else. Another thing I’m dreading is getting stretch marks 😩 I’ve been using natural creams from the health shop to try and prevent them but who knows. Anyways.. back to the weight gain, how much did you put on in 25 weeks and what is average?

Before

25 weeks later