Maybe Ashton Kutcher and Laura Prepon aren't as tight as he thought.<br />The actor guest co-hosted Live!<br />with Kelly Ripa Friday when Prepon's recent engagement to Ben Foster came up.<br />I'm very upset with her right now.<br />She just announced this engagement, and I had to find out in the news!<br />She's my friend.<br />It's weird like that.<br />By the way, it's not just a random engagement.<br />It's an engagement to another friend of mine!<br />So, now I'm double upset that neither of them told me.<br />I got off the plane in New York like, 'What?<br />To be fair, Kutcher kept his engagement to Mila Kunis a secret from Prepon back in the day.<br />When Mila and I got engaged, Pre was like, 'What?<br />This is crazy!<br />You guys, it was like 20 years ago.<br />You were friends and no one saw this coming, and now you're engaged and I have to find out this way.<br />Later, after the actors hugged, Kutcher told Prepon, "I am so pissed at you!"