For today's latest Funny or Die gets a whole bunch of celebrities to make a video together news, Billy Crystal and Helen Mirren star in a trailer for a When Harry Met Sally sequel and it looks like they're getting really trendy this time around. Yeah, that means there are vampires involved. Go ahead and watch the weirdness for yourself and see how many famous people you can count. Seriously, there are so, so many.
Source: Funny or Die