Celebrity couple Brad Pitt and Angelina Jolie had a small but noticeable falling out after the premiere of 'A Mighty Heart' in Cannes. The problem seems to be that Jolie wants to buy a house outside the US but her partner is not interested, reports dailysnack.com. An insider said: 'After a low key dinner with Jolie's co-stars, she and Pitt retired to the tranquil Le Bellini Bar area, by the entrance of the Hotel Du Cap. But after only five minutes or so, the atmosphere between them seemed to change.