Weekend Box Office:

1) Harry Potter and the Half-Blood Prince $79.4 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
6) The Proposal $8.2 million
7) Public Enemies $7.5 million
8) Up $3.1 million
9) My Sister's Keeper $2.8 million
10) I Love You, Beth Cooper $2.6 million

Harry Potter and the Half-Blood Prince dominated the mid-July box office, bringing in an estimated $159.6 million since opening on Wednesday. Over the course of the weekend, the film brought in $79.4 million, but failed to break any single record, most of which are now owned by that giant robot film Transformers: Revenge of the Fallen. J.K. Rowling's sixth book still proved to be quite popular on the big screen, as fans secured its place as the 2nd biggest five-day opening for a movie that debuted on a Wednesday. Strong word of mouth will more than likely keep this highly praised sequel afloat through most of August.

Ice Age: Dawn of the Dinosaurs stayed in second place this weekend, bringing in another $17.1 million. That brings its cumulative grosses up to $152 million. Pretty hefty, though still not enough to beat its previous two entries in overall earnings. Transformers: Revenge of the Fallen is still going strong in its fourth week of release. Earning $13.7 million for third place, the film has now earned $363 million domestically, and $746.9 million worldwide. That still only makes it the 13th highest grossing film of all-time, so it has some distance to go before it's at the top of the cinematic dog pile.

(500) Days of Summer opened on the arthouse scene to the tune of $838,000, placing it at number twelve on the charts while giving it the highest per screen average of the weekend. Playing on 27 screens, this romantic comedy starring Joseph Gordon Levitt and Zooey Deschanel took in $31,037 at each of its locations.

Next weekend is a mixed bag of genre films as Disney's kiddy flick G-Force opens against the R rated comedy The Ugly Truth and the horrific thriller Orphan. Its tough to say who'll come out on top, as all of these new releases have to contend with Comic-Con 2009.

Harry Potter and the Half-Blood Prince was released July 15th, 2009 and stars Daniel Radcliffe, Michael Gambon, Dave Legeno, Elarica Gallacher, Jim Broadbent, Geraldine Somerville, Bonnie Wright, Julie Walters. The film is directed by David Yates.

Ice Age: Dawn of the Dinosaurs was released July 1st, 2009 and stars Eunice Cho, Karen Disher, Harrison Fahn, Maile Flanagan, Jason Fricchione, Bill Hader, Kelly Keaton, Joey King. The film is directed by Carlos Saldanha, Mike Thurmeier.

Up was released May 29th, 2009 and stars Edward Asner, Christopher Plummer, Jordan Nagai, Bob Peterson, Delroy Lindo, Jerome Ranft, John Ratzenberger, David Kaye. The film is directed by Pete Docter, Bob Peterson.

G-Force was released July 24th, 2009 and stars Bill Nighy, Sam Rockwell, Will Arnett, Jon Favreau, Zach Galifianakis, Nicolas Cage, Kelli Garner, Penélope Cruz. The film is directed by Hoyt Yeatman.

The Ugly Truth was released July 24th, 2009 and stars Katherine Heigl, Gerard Butler, Bree Turner, Eric Winter, Nick Searcy, Jesse D. Goins, Cheryl Hines, John Michael Higgins. The film is directed by Robert Luketic.

Orphan was released July 24th, 2009 and stars Vera Farmiga, Peter Sarsgaard, Isabelle Fuhrman, CCH Pounder, Jimmy Bennett, Margo Martindale, Karel Roden, Aryana Engineer. The film is directed by Jaume Collet-Serra.