Pretty much this really.
I'm at my wits end- my little girl hasn't slept through since the 4 month sleep regression hit. She wakes twice a night and has to have a bottle to go back down. I know it's habit and can't be true hunger but when I'm working full time I've just gone with whatever gets her back down quickest (i know I've made a rod for my own back). I've tried water but she just shouts 'MILK' 
I'm desperate for her to sleep through and know I need to work at it. I wondered if anyone could give me some tips on how they successfully night weaned their toddlers off mid-night bottles?
Thanks!