Celebrity / Jason Segel Jason Segel, Michelle Williams Both Move On He's dating Bojana Novakovic; she's with Dustin Yellin By Evann Gastaldo, Newser Staff Posted Jun 13, 2013 10:41 AM CDT Copied Actress Michelle Williams arrives at the European premiere of Oz: The Great And Powerful at a central London cinema, Thursday, Feb. 28, 2013. (Photo by Joel Ryan/Invision/AP) Looks like formerly adorable couple Jason Segel and Michelle Williams really is no more: Both have been spotted with new partners recently. E! identified Segel's "mystery woman" as Bojana Novakovic, a 31-year-old Serbian-born Australian actress with whom he's been spotted quite a few times over the past few weeks. As for Williams, she was first linked to artist Dustin Yellin last month when they left the Met Gala together, and they've been spotted together a few more times in the past week. Click to see pictures of them with Williams' daughter, Matilda. (More Jason Segel stories.) Report an error