Well, they were talking about touching up her lip stick or something like that... she leaned over and positioned her lips (that sound stupid... oh well) as if she was about to French Kiss Dave. Dave leaned over and opened his mouth--got really close then Gillian freaked out and jumped back in her seat.
Dave apologized and said something to the effect of "oh, I'm sorry, it's just that you got so close...." She then leaned in and they kissed--they had their mouths open but I don't think there was any tongue action.
The rest of the interview didn't happen. They were both worked up. :Q