Harry Potter Casts Spell Over Box Office

In the least surprising movie news of the summer, Harry Potter and the Half-Blood Prince owned this weekend's box office.

The series' sixth installment conjured up an estimated $79.5 million for its opening weekend, placing its first five days at a $159.7 million, a franchise best. Here's a look at the complete top five:

1. Harry Potter and the Half-Blood Prince: $74.5 million
2. Ice Age: Dawn of the Dinosaurs: $17.7 million
3. Transformers: Revenge of the Fallen: $13.7 million
4. Bruno: $8.3 million
5. The Hangover: $8.3 million