for a parent, breaking the news to your only child that there's a baby on the way can be a nerve racking   but touching   moment and for one family who decided to film the precious moment, it also became a hilarious home video clip mum megan williams revealed that her two year old daughter kathryn is constantly asking for a little brother or sister breaking the news: kathryn, two, sits on her dad's lap to be told she is going to be a big sister  so she decided to sit kathryn in her father's lap, and film her reaction as they told her the news using a special book titled 'the big sister's book of waiting' 'do you know why we've got you this book?' her dad asks 'because you're going to be a big sister!' for kathryn it was all too much as she digests the wonderful news, she struggles to keep the excitement in   in one sense at least helping hand: her parents showed her a book called 'the big sister's book of waiting' little surprise: but her reaction wasn't quite what her parents were expecting  she leans over to her father and whispers, 'i farted'   leaving her parents in stitches  the clip, uploaded to someecards' youtube page, has had almost 500,000 views since it was published on march 19 in stitches: she leaned over to her father and whispered, 'i farted'   sparking a fit of giggles 
kathryn megan williams 'the big sister's book of waiting'. her
two year old kathryn had always wanted a baby brother or sister . so mother megan williams filmed as her dad sat her down with a special book titled 'the big sister's book of waiting'. her reaction wasn't quite what her parents were expecting, however 