Ashton's Plea To Mila ‘I'm Not A Cheater!'

He’s a family man now, but the actor just can’t escape his playboy past...

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They’ve long been one of Tinseltown’s cutest couples, having come of age together on That ’70s Show before finding love years later in real life. But Mila Kunis and Ashton Kutcher’s almost-two-year marriage has hit Struggle Street over reports he’s been getting cosy with another woman – again!

According to an onlooker, there was serious tension between the couple – who “looked like they’d rather be anywhere else than in each other’s company” – as they ran errands in LA recently.

“Mila looked gloomy and exhausted, like she was carrying the weight of the world on her shoulders,” the source tells US Star magazine.

And the insider may have hit the nail on the head, with a close friend of the couple claiming that Ashton has developed a tight bond with his sexy The Ranch co-star Elisha Cuthbert – and it’s making Mila increasingly anxious.

“Even though Elisha is married, she and Ashton are very close on set and off,” the Star source says. “Mila’s feeling a little threatened.”