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OTRC: Mila Kunis, reportedly pregnant, and Channing Tatum joke about engagement

Channing Tatum and Mila Kunis, who is reportedly pregnant with her and Ashton Kutcher's first child, appear at the Warner Bros: The Big Picture 2014 presentation at Cinemacon in Las Vegas on Thursday, March 27, 2014. The two star in the sci-fi movie 'Jupiter Ascending,' set for release on July 18. (Chris Pizzello / Invision / AP)

Mila Kunis recently made her first major public appearance since it was reported over the weekend that she is pregnant with her and Ashton Kutcher's first child.

Wearing a loose-fitting, silk blend, asymmetric Acme Studios Twist Goddess dress with a draped front, the 30-year-old actress took part in the Warner Bros: The Big Picture 2014 presentation of the sci-fi movie "Juniper Ascending" at CinemaCon in Las Vegas on Thursday, March 27, with co-star Channing Tatum. The film, directed and written by Andy and Lana Wachowski, creators of "The Matrix" trilogy, is set for release on July 18.

(See PHOTOS of Mila Kunis and Channing Tatum at CinemaCon.)

Kunis has not confirmed her pregnancy or news that she is engaged to 36-year-old Kutcher, which was reported in late February. She has, however, been sporting a diamond ring on her ring finger in recent weeks.

At CinemaCon, when asked about it, she joked to the Associated Press: "Am I engaged to Channing? Channing and I love each other.

"Yeah, we're not engaged yet, just yet," said Tatum, who is married and is the father of a baby girl.

"We're getting in that direction though. You know, he has to meet my parents," Kunis added. "That hasn't happened. But one day."

"Yeah, step by step, day by day. I haven't met the crazy Russian family yet," Tatum told the AP. "I'm going to bring a lot of vodka though."

"Yes, and cognac -- both. ... They like both. They're not picky."

Kunis was born in Ukraine in 1983, when it was under Soviet rule, and speaks fluent Russian. She emigrated to Los Angeles at age 7. She and Kutcher played couple Jackie and Kelso on the sitcom "That '70s Show," their first big acting break. They have reportedly been together since April 2012, months after the actor's then-wife Demi Moore announced they had split.

Kunis recently reunited with Kutcher onscreen -- she stars in an upcoming episode of the CBS sitcom "Two and a Half Men," in which he is a cast member (see PHOTOS).

24 celebrity couples who played couples on and offscreen.)

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