KATIE Holmes has admitted that she is open to the idea of a Dawson’s Creek reunion.Holmes played Joey Potter on the teen drama between 1998 and 2003."I love everyone from the show,” the actress told host Jimmy Fallon on Thursday’s edition of Late Night. "We have kind of talked about it here and there.”However, Holmes added that the death of Michelle Williams’s character Jen in the series finale would make it difficult to stage a full cast reunion."In our last episode, Michelle’s character passed away,” she explained. "Maybe we’ll go on vacation - that will be fun - and just film it!” Hollywood