Cannes, France
THEY dress like celebrities and can increasingly be spotted on the world's catwalks and red carpets. Meet the "influencers", the most famous people you've never heard of.
For 70 years, the Cannes film festival has been a key event on any A-lister's calendar. But move over Nicole Kidman, there's a new breed of stars in town: social media personalities invited purely on the grounds of their huge Instagram or YouTube followings.
Sharing the red carpet with Kidman and Will Smith last week...