Max and Harvey have become pretty well known in the past year. Since joining Musical.ly in 2016 their lives have changed forever: they've toured America, released music and gained over 4 million loyal fans - all while still at school!
In their diary, the boys tell us exactly what they've been up to. From hanging out backstage at VidCon and filming a series for CBBC to starring in a school play, this is Max and Harvey's year - in their own words. Here are five things you need to know:
1. We have been keeping a diary all year and this is it!
2. You can read about everything we've been up to, from school to touring in the USA!
3. We reveal our deepest, darkest secrets such as: Max's favourite vegetable is a cucumber.
4. It has cool drawings.
5. It is awesome!