Inside the rise of Chiara Ferragni, the social media mega-star who's been accused of misleading followers into buying a charity cake

• Chiara Ferragni is an Italian influencer with just under 30 million followers on Instagram.
• The 36-year-old is under investigation for aggravated fraud over a Christmas cake partnership.
• Here's how the digital entrepreneur shot to social media superstardom.

Italian influencer Chiara Ferragni, who has almost 30 million followers on Instagram, is under investigation by a local prosecutor and is facing a $1 million fine after she was accused of misleading followers into purchasing a charity cake but not donating the proceeds.