Five new Half-Blood Prince pics from Warner Brothers

It's a weekend treat! Warner Brothers has just passed along five photos from Harry Potter and the Half-Blood Prince. Three of them are behind-the-scenes, and one is a lovely portrait:

Preparing to film at The Burrow
Harry and Dumbledore outside Slughorn's house with crew
Director David Yates walking through a library hallway
Harry and Slughorn at Slughorn's Party with crew
A beautiful portrait of Hermione