Celebrate high times - come on!
We're guessing Rihanna is enjoying her Labor Day weekend if these videos are any indication!
In fact - she's having a ganja old time, ha!
Watch Rihanna getting her party on down
Justin Timberlake is EVERYWHERE these days, but we're not complaining!
Justin, do you have something to tell us?? Are you an alien?! Chain-chugging energy drinks?
There has to be some sort of secret behind his endless endurance, right?! We want some of whatever he's having!
[Image via WENN.]