Although several may not be SFW.
A tally of the top celebs who post to both Instagram and Twitter.
RiRi herself describes the shoot as "bad na$ty."
Oh, she's also claiming she hasn't gotten busy in a long while.
The Thai animal is on the international list of protected species.
Because toking isn't toking unless it's on Instagram.
It seems all those selfies wore RiRi out.