sensation zoella has come under fire from jamie oliver 's company over adverts for unhealthy foods that appear next to her vlogs on youtube .
jamie oliver 's company , an enduring advocate for promoting healthy eating , has enjoyed meteoric success after her blog and video posts amassed a huge teen following on social media .
jamie oliver 's own company says it has a deal with youtube that ensures that the chef 's channel on the video sharing website actively stops sugary food and online gambling sites .