Mila Kunis & Ashton Kutcher celebrate engagement with 'Two and a Half Men' love affair? Pregnant/baby bump RUMORS continue

"That 70s Show" co-stars Mila Kunis and Ashton Kutcher are officially engaged! The adorable couple has continued to keep their romantic relationship rather private - until now.

Rumors suggest that the "Black Swan" beauty will guest star on "Two and a Half Men" as her future hubby's love interest! According to CBS, Kunis will play the "free-spirited" Vivian. She allegedly shows-up at Walden's doorstep and causes some trouble with his love life, considering he's about to propose to another woman.

The highly-anticipated episode does not have an official airdate yet.

Kunis and Kutcher were awesome as on-and-off again teenage lovers Jackie and Kelso on "That 70s Show." Are fans excited to see them reunite on the small-screen?

The 36-year-old actor proposed to the 30-year-old starlet with a massive diamond ring just last month. Read more on the story here.

Do Mstars readers think the newly-engaged couple would make one of Hollywood's sexiest parents?