Jennifer Aniston's new movie has been panned by test audiences.

"The Break Up" - on which the star fell for new boyfriend, Vince Vaughn, on set - is her latest attempt to win favor with cinemagoers after a string of flops, but initial reactions have not been good.

An insider told America's New York Post newspaper: "The original screenplay had Jennifer and Vince's characters breaking up at the end."

"So it was shot that way - but test audiences hated it. It tested really, and I mean really, badly."

As a result of the negativity, the lead actors had to re-shoot parts of the film, reportedly costing the studio millions.

The source added: "The new ending has them getting back together in the end. It should really be called 'The Make Up.'"

"People want to see Jennifer happy after she was thrown over by Brad Pitt for Angelina Jolie."

Meanwhile, Aniston has told US talk show giant, Oprah Winfrey, she is thinking of quitting Los Angeles because she's sick of being hounded by the press.

She revealed: "It's the media that won't move on. You just want to say, 'Come on, people! Turn a page!'"

The star has reportedly already been housing hunting in Chicago - where "The Break Up" was filmed, and the city where Vaughn grew up.