Do you hear that sound? Yes, those are some wedding bells, and they're ringing for none other than Ashton Kutcher and Mila Kunis. E! News is reporting that the happy couple is officially engaged, and by the looks of the huge rock she was sporting on her left ring finger while out and about in L.A. Thursday, we'd say the report is probably true. No details are known about how or when the proposal went down, but we're sure it was adorable -- just like the couple themselves. According to pals, their engagement was rather imminent, as they've been inseparable ever since they started dating in early 2012. As we're sure you know, Ashton and Mila have known each other for YEARS now! They starred as the (hilariously) turbulent couple Jackie and Kelso on That 70's Show. Mila even admitted that Ashton was her very first kiss. Everyone together now -- AWWW! (I know!) As for Mila's love life- prior to Ashton, she famously dated Home Alone star Macaulay Culkin for eight years from 2002 until 2010. But Mila was one of Ashton's closest friends, despite her relationship and despite him being married to Demi Moore. When Ashton and Demi announced their split in late 2011, just a few months later he and Mila were one. Technically, Ash and Dem weren't even officially divorced until November of 2013. So that boy doesn't waste any time now, does he? When you're in love, you're in love. What do you think of this engagement news? Are they g.