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
Boyfriend Cy Waits has given his boo Paris Hilton a pretty fab early birthday gift!
Ch-ch-check out the rest of the photos of the beautiful birthday girl and her new car!
Happy birthday, bb! Hope it's a-mazing!
[Image via WENN.]