Brad and Angelina's birthday blowup

Brad Pitt and Angelina Jolie allegedly got into a big argument at the latter's birthday bash. SCROLL DOWN TO READ MORE DETAILS!

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It started out as a very special birthday for Angelina Jolie — a surprise celebration at her rented mansion on Long Island, N.Y., featuring all six of her children, fresh flowers from the garden, a homemade cake — and her partner, Brad Pitt, who had put aside his problems with her and flown in from Los Angeles just for the June 4 party.

'Brad made an effort to be with Angie,' says a close friend of the couple's. 'He was really hoping they would get along and enjoy themselves.'

But, while Brad did go to a lot of trouble for Angelina’s 34th — presenting her with a specially commissioned painting of their family, as well as lingerie from Angelina’s favorite store, Agent Provocateur — it wasn’t long before the troubled couple erupted in a fight over Brad’s ex-wife, Jennifer Aniston. 'Things were going fine, and then Angie started accusing Brad of meeting Jen in LA,' says an associate. 'It turned into a massive blowup, which left Brad more disillusioned than ever.'

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