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
If only to hear him sing us such a fantastic tune!
Check out Ashton's acceptance speech at the TCAs last night in the video above (mark 3:40)
We're sure Katherine Perry is so proud!