Hey M girls!
Today's Say What?! picture is a photo of Penn Badgley and Taylor Momsen filming a Gossip Girl scene in NYC!
Now, write a funny caption for the photo or tell us what Penn and Taylor are thinking!
Make sure to check back here tomorrow to see if your comment won for the funniest!
UPDATE: The winning comment comes from sammainpayjamas who wrote,
(Taylor Says) "So that's why you should brush every day!"
And you have to pick up the August issue of M for the latest star scoop!
Photo: Ben King/Startraks