Jennifer Aniston & Vince Copy Angelina Jolie & Brad at Premier

Copycats.  Jennifer Aniston and Vince Vaughn pulled off an Angelina Jolie and Brad Pitt like entrance at the Los Angeles premier of their summer movie 'The Break Up.'

Brad and Angie stood apart at Mr. and Mrs. Smith events

It was eerily similar to the strategy that Brad and Angie employed for their summer hit from last year - Mr. and Mrs. Smith.

Jolie and Pitt went overboard - but it worked - their film was a top hit in 2005.

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Sky's Showbiz Page noticed:

We thought Jennifer Aniston and Vince Vaughn were all out in the open about their growing romance.  But at the premiere of their movie The Break-Up, the spoilsports avoided any loved-up pics by keeping their distance.

Remember another big film night which saw two stars refusing to pose too closely together?  At the premiere of Mr. And Mrs. Smith in June 2005, Angelina Jolie and Jen's then husband Brad Pitt, posed with a big gap between them to avoid adding fuel to those rumors.

So what are Vince and Jen trying to tell us by not even appearing in a shot together?

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Star takes it as a signal of a real life 'Break Up.'

Judging by the duo's behavior at the film's world premiere on Monday in Westwood, Calif., that spark has lost its sizzle — big time!

The first clue of trouble in paradise? Aniston, who looked stunning in a sleeveless, body-hugging creme striped knit dress, arrived at Mann Village Theater around 7:30 pm — solo! Vaughn, who wore a simple black suit and light blue shirt, arrived about 15 minutes later.

The second clue? On the red carpet, Vaughn stayed about ten steps behind Aniston at all times.

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So - the pair are either playing it coy to promote the film, or headed for a split?   Life in Hollywood.

--Angela Carson