Warning: bare legs ahoy.
The craze all started with this tweet from SB Nation's own Radek Bonk's Mullet:
And soon, everybody was getting in on the act.
Men were Rihannaing:
Women were Rihanning:
Even pets were Rihanning:
The Senators scored a goal in the third period to tie their game against the Tampa Bay Lightning at two ... but the Lightning got the final goal of the game and won, as the #Rihannaing rally fell short.
Good try, though.
Read more about the trend from the fan perspective at Silver Seven.