michelle williams jason segel dating getty Michelle Williams attends 'Five Year Engagement' premiere with Jason Segel“My Week With Marilyn” actress Michelle Williams stepped out with boyfriend Jason Segel at the premiere of his new movie, “The Five-Year Engagement,” Wednesday (April 18) night.

Vanity Fair reports that the couple held hands at the after-party while talking to guests like Robert De Niro, Elizabeth Banks and Julia Louis-Dreyfus — though Segel and Williams avoided being photographed together.

“They are smitten and very serious,” a source told Us Weekly in March.

What do you think of Segel and Williams as a couple?