From Alfie to Zoella: Meet the YouTube stars of Hello World – CNET

Hello World is a live show in which the UK’s biggest YouTube stars perform for and meet with their fans on 28 and 29 October. 

Zoe Sugg started her blog and YouTube channel in 2009 and now has more than 12 million subscribers to her main channel where she talks beauty, fashion and life in general. She’s followed her online success with massive sales of a series of young adult novels.