Cameron Diaz pregnant on set of The Other Woman

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It looks like Cameron Diaz is trying to give Kate Middleton and Kim Kardashian a run for their money, as we've spotted her accessorising with nothing other than a giant baby bump! 

Spotted on the New York set of her new film, The Other Woman, Cameron has strapped on a prosthetic baby belly for her part in the comedy that sees her teaming up with another woman to plot revenge on their cheating partner. 

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Looking ever the casual but glamorous mum-to-be in a breezy white shift dress with a gold cuff and nude high heels, Cam makes motherhood look oh-so chic. But then we'd expect her to be spot on in the maternity style stakes by now - having already played at being pregnant in the movie What to Expect When You're Expecting.

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Other stars set to be in the film include Leslie Manning and Lady Gaga's beau, Taylor Kinney - as well as cameos from Kate Upton and Nicki Minaj.

We wonder if Kate and Kim will be taking pregnancy styling tips...

Cameron Diaz pregnant on set of The Other Woman with Leslie Manning

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WATCH: CAMERON DIAZ AT THE NEW YORK PREMIERE OF WHAT TO EXPECT WHEN YOU'RE EXPECTING