Grace Helbig, Hannah Hart, & Mamrie Hart's #DirtyCookieChallenge The YH Studio is in a party mood when the funny ladies of 'Dirty 30', Grace Helbig, Hannah Hart, and Mamrie Hart, hang out with us for a little fun and games! First, it's a rousing round of "Heads Up", and then we challenge the actress to a #DirtyCookieChallenge to see which one has the best cookie decorating skills! '…
SOURCE: Young Hollywood at 01:00AM on September 28, 2016