1. When he boo'd Simon Cowell during his X-Factor audition
2. Whenever he proves that he's the best godfather ever.
3. When he randomly released 'Don't Let Me Go'
4. He showed up at Louis' Mom's wedding looking straight out of a magazine shoot.
5. His high note in Drag Me Down
6. He gave away £3,000 worth of pizza to the homeless of LA
*sobs quietly in the corner*
7. Any time he shows up at the Saint Laurent store looking fresh af
8. BRAIDED. HAIR.
9. Playing beach volleyball in those sacred little yellow shorts
10. When he said that he will miss performing the most over break.
11. Robot Harry
12. Any time he shares his hilarious (!!!) jokes with us
14. His very punny tattoos.
15. Nominating Kanye West for the ALS Ice Bucket Challenge
I don't know whats funnier, the fact that Harry nominated him or that Kanye never did it