Seth Rogen blazed up.
Rihanna looked cute...
...gathered her essentials...
...and attended a wedding.
(A 420 WEDDING.)
Tommy Chong smoked in the forest.
Smoke 420 joints for us!!!
Demi Lovato remembered her first time.
Andy Cohen wished his followers a happy 420.
Happy 420 everybody!!!!!
Birdman got creative with his stash.
Redman spent the day in Denver.
WUZZZZAAAAPPPPPP Happy 420 to All my Bud Smokers !! We in Denver gettn it in !!
Snoop spent the day in Colorado too...
...where he presumably waked-and-baked...
...and took a selfie.
Kevin Smith tired a new way of inhalation.
Zach Braff posted this stoned koala.
Miley Cyrus dressed up...
...waked-and-baked...
...went swimming...
...hung out with Mike Will Made It...
...smoked out of a bong...
...and left us with this image.
And Wiz Khalifa acted as if it were any other day.
4/20 everyday over here champ.
An earlier version of this post misidentified the koala in No. 10 as a panda because 420, y'all.