In this sponsored collaboration with Arla Big Milk, we asked a host of Mumsnet bloggers to go down memory lane and share the unforgettable first moments they’ve had since becoming parents - from surprising first steps to answering back, via explosive nappy situations and the big emotional milestones. Share your own in the comments below!

Find out more about Arla Big Milk via Mumsnet at
http://www.mumsnet.com/microsites/arla

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