"They talk about getting married and having kids. An engagement is imminent," usmagazine.com quoted a source as saying.
Another source said that the former "That 70s Show" co-stars, who have been dating for almost two years, are "inseparable".
When Kunis is not working, she is often spotted on the set of Kutcher's sitcom "Two and a Half Men".
"They hang in his trailer," said the source.
The Ukrainian-born beauty has reportedly helped mellow out the former party boy, who legally parted ways with Demi Moore in November. Instead of wild nights out, Kutcher and Kunis prefer spending time in their shared $10.8 million Hollywood Hills house.
"Ashton and Mila cook together. He knows he ended up with the right girl," said a source.
--IANS (Posted on 26-12-2013)