1.
2. Method Man
3. Justin Timberlake
4. Willie Nelson
5. Action Bronson
6. Drake
7. Devin the Dude
8. Bob Marley
"Herb is the healing of the nation."
(Source)
9. Miley Cyrus
10. Louis Armstrong
11. Rihanna
12. Alanis Morissette
13. ScHoolboy Q
14. Paul McCartney
15. Donald Glover
16. A$AP Rocky
17. Mike Tyson
18. Jimi Hendrix
And in case you're too high to read, here's a video of Jimi Hendrix smoking weed in Paris in 1966.
Happy 4/20.