Kate Hudson and her son Ryder! The star's teenager had fans in hysterics after dropping in on his famous mum's social media - and they look identical.Kate, 41, was attempting to film a cooking show on Instagram but 16-year-old Ryder decided to tease his mother by dancing in the background and messing with her segment. But rather than stop the camera Kate took it all in her stride and ended up producing a fun video which her fans loved. MORE: Kate Hudson gives glimpse inside her stunning home gym