Up tops UK box office
The movie, which is directed by Pete Docter and Bob Peterson, tells the story of an old man who flies away in his house, not knowing that there is an eight-year-old stowaway on board.
Elsewhere in the chart, he sixth instalment of the Saw franchise took second place, bring in £1.7 million, while Wes Anderson's Fantastic Mr Fox followed in third place with £1.5 million.
Fourth place was occupied by romantic comedy Couples Retreat which stars Vince Vaughn.
New entry Cirque du Freak: The Vampire's Assistant and The Imaginarium of Doctor Parnassus, Heath Ledger's last film, followed in fifth and sixth place.
The seventh spot was taken by Ricky Gervais' comedy The Invention of Lying, while Zombieland, Fame and Cloudy with a Chance of Meatballs rounded off the UK's top earners.
Top of the US's box office chart were Paranormal Activity, Saw VI, Where the Wild Things Are, Law Abiding Citizen and Couples Retreat.