Michelle Williams and Jason Segel are "totally in love".
The couple have only been dating for a few months, but it appears the relationship is getting serious already. They were recently seen watching a Broadway show together and sources close to the Hollywood stars insists Jason is smitten.
"[They are] are totally in love," an insider told Us Weekly. "Jason is obsessed with Michelle."
Jason has been spending increasing amounts of time with Michelle's six-year-old daughter Matilda.
The 32-year-old funnyman has formed a close bond with the little girl, much to Michelle's delight.
"He's been doing all sorts of 'dad stuff' with her, like drawing and playing music," the source added.
It has also been claimed that Jason is already "planning a future" with the 31-year-old actress.
Jason and Michelle were spotted at the Broadway production of award-winning comedy One Man, Two Guvnors on June 19. The show stars British actor James Corden, who Jason worked with on the 2010 movie Gulliver's Travels.
Jason was eager to show his support for his former co-star, and thoroughly enjoyed the performance.
"Jason loved the play," a source added to the publication. "It was definitely his sense of humour."
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