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
Too effing CUTE, you two!
According to an MDNA insider, the How I Met Your Mother star and his bow-tied date danced to Madge's Holiday and Turn Up The Radio, among her many, MANY other smash songs.
HA! We were with you guys in spirit!
Ch-ch-check out some more snaps of Neil and David heading into the arena (below)!
[Image via Mavrix Online.]