Cameron Diaz and Leslie Mann chase Kate Upton in a bikini in new The Other Woman clip (exclusive)

A seaside stakeout goes wrong in hilarious first look footage from new comedy.

Cameron Diaz and Leslie Mann get jealous of Kate Upton’s beach body curves in this hilarious new clip from upcoming comedy ‘The Other Woman’, exclusive to Yahoo UK.

“She’s like a perfect 10, lemon tart, double D obviously,” snaps Diaz’s character, spying on Kate Upon through binoculars. “How are you not freaking about this?”

Well, we’re pretty sure some fans are…

[Kate Upton makes her debut in trailer for The Other Woman]

Cameron Diaz stars as Carly, a woman who discovers her boyfriend Mark is actually married to Kate (Leslie Mann).

But when the two unexpectedly become best friends, they uncovered a THIRD affair – this time with Amber (Kate Upton).

The trio of tricked women then team up to plot mutual revenge against the lying, cheating, three-timing Mark.

We've also got hold of the brand new poster for the film, here...
(Credit: 20th Century Fox)

‘The Other Woman’, directed by Nick Cassavetes and co-starring Nikolaj Coster-Waldau, is out in the UK 23 April 2014. You can watch the first full trailer, below...