1. Pharrell Williams
ANG/Fame Pictures
2. Paul Thomas Anderson
SGranitz/WireImage
'90s PTA, going for that Fear and Loathing thing. Mostly looking like a dweeb.
3. Rihanna
Beretta/Sims/Rex/Rex USA
4. Christina Aguilera
Ron Galella, Ltd. / WireImage
Controversial asymmetrical bucket hat.
5. Jean Claude Van Damme
6. Diddy
OHPIX / bauergriffinonline.com
SO SERIOUS.
7. Leonardo Dicaprio
OHPIX / bauergriffinonline.com
8. Eminem
9. Hoff
Sam Ruttyn/Newspix / Getty Images
10. Rick Ross
Stephen Lovekin / Getty Images
Full grandma style.
11. Lamar Odom
Revolutionpix/Fame Pictures
12. Jessica Alba
Brian Flannery/Flynetpictures.co
13. Wentworth Miller
Christopher Polk / Getty Images
The guy from Prison Break looking significantly less intimidating.
14. Wayne Gretzsky
15. Schoolboy Q
Photo by Geordie Wood / Via thefader.com
Psychedelic bucket.
16. Clay Aiken
Gabo / bauer-griffin.com
17. Baron Davis
KMazur/WireImage
Roller skates not pictured.
18. Mac Miller
gramfeed.com
*sigh*
19. Reese Witherspoon
Famepictures, Inc.
20. Carson Daly
Scott Halleran / Getty Images
21. Jack Nicholson
Warner Bros. / Courtesy Everett Collection
Rare halo bucket.
22. Justin Timberlake
Ron Wolfson / Getty Images
Different days.
Bonus: Buckethead
Ethan Miller/Staff / Getty Images
Obligatory. Nunchucks are double bonus.