Jimmy Fallon is always up for a challenge…
So he knew when the usually serious Kristen Stewart was set to appear on his show Tuesday to promote her new flick Camp X-Ray, he had to get extra goofy!
[ Photos: Kristen Stewart Wears Sexy Dress At Camp X-Ray Screening! ]
Cue a rousing game of Ring Around The Nosey – that even had stoic KStew cracking a huge smile!
Ch-ch-check out the silliness (below)!