Couple Mila Kunis and Ashton Kutcher started dating in early 2012 and their love story just got cuter. "That 70s Show" co-star Laura Prepon confirms that Ashton Kutcher was in fact Mila Kunis' first kiss when the pair had to film a special moment on the set between their TV sitcom characters Michael Kelso and Jackie Burkhart.

According to the E!News report, actress Laura Prepon was not surprised with the news that her co-stars started dating. Ms Prepon even revealed to Us Weekly that it is incredible to see Mila and Ashton turn their onscreen romance into real life.

The "Orange Is the New Black" star further revealed that Ashton Kutcher was Mila Kunis' first kiss. "He was, he was," Ms Prepon confirmed. Mila Kunis, on the other hand, recalled in the 2001 People interview that she just met Ashton Kutcher when she was instructed to kiss him in front of the camera.

"I was like, 'Oh, he's so cute, it's the Calvin Klein model!' Then I was like, 'I have to kiss him?' I was so nervous and uncomfortable. I had the biggest crush on him," the 30-year-old "Friends with Benefits" star shared.

Mr Kutcher, 35, admitted as well that he had no idea that he was Mila Kunis' first kiss during that time. The actor told People: "I'm so glad I didn't know that or it would've been too much pressure. I was so nervous. She acted so cool. She seemed as if she'd done it a thousand times. I was the one with the butterflies in my stomach. I mean, here's this little girl and I have to kiss her. It was nerve-racking."

The couple was spotted having a good time on Sunday, September 22, at the Heinz Field for the Steelers-Bears game. That good time included Ashton Kutcher taking a picture of his girlfriend Mila Kunis sneaking up behind Pittsburgh Steelers chairman Dan Rooney.

Photographer Brian Cassella of the Chicago Tribune shared how he managed to capture Mila Kunis' photobomb moment with the Steelers owner. "Before any players had come out for warm-ups, I noticed Ashton Kutcher and Mila Kunis in the middle of Heinz Field taking pictures of each other. Steelers owner Dan Rooney was also greeting people and they came over to say hello. The moment was innocent, just Mila leaning in with the diminutive Rooney for a snap before they posed together," Mr Cassella stated.

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