Cassandra Clare posted some pictures of filming on her tumblr account. Clare said it looks like they're getting ready to go to Magnus' party. The details always bother me, for some reason, and it bothers me that Clary is wearing leather pants instead of the skirt she wore in book...ahh well, I should probably just get over it.
Here is a picture of "Jace"- Jamie Campbell Bower
For more pictures go to cassandraclare.tumblr.com