Disney's 'G-Force' takes Friday box office lead

Walt Disney's latest 3D family adventure "G-Force" crawled to the top of the North American box office Friday with an estimated $11.5 million in ticket sales.

The Jerry Bruckheimer-produced flick follows a squad of smart guinea pigs trying to stop a ruthless villain from taking over the world. The film is currently playing at 3,697 locations.

At No. 2, Robert Luketic's romantic comedy "The Ugly Truth" scored $10.8 million from ticket sales at 2,882 locations. Starring Katherine Heigl and Gerard Butler, the film follows a TV producer struggling to control the cocky host of one of her shows.

Last week's winner "Harry Potter and the Half-Blood Prince" slipped to third place, earning $9.3 million for a total gross of $201.1 million. New entry "Orphan" followed at No. 4, taking home $4.9 million. The horror flick is showing at 2,750 locations.

Meanwhile, "Ice Age: Dawn of the Dinosaurs" collected $2.5 million, bringing its domestic gross to $165.6 million.

Source: Box Office Mojo (www.boxofficemojo.com)