Zoe Sugg is a vlogger, businesswoman and writer. In 2009, she started her blog and social media channels under the name "Zoella" to share her love of all things beauty, fashion and lifestyle with the online world. Her fun, relatable content took the international vlogging scene by storm: she now has a phenomenal 25 million followers across her YouTube and Instagram channels. She also uses her channels to regularly address important subjects like mental health, cyber-bullying and self-esteem. Her debut Girl Online achieved the highest first week's sales of a début author ever; selling over 1.3 million books worldwide across 39 territories. Further books in the trilogy include Girl Online: On Tour and Girl Online: Going Solo.