Michelle Williams and Jason Segel make a very interesting celebrity couple. She is a fairly well-known actress, especially for her deep movie roles. She is also the famous ex-girlfriend of the late Heath Ledger, with whom she had a daughter with. Jason is a popular comedy actor. He has starred in a variety of comedic movies and is known for his role as Marshall in the hit series How I Met Your Mother. The duo are a fairly new couple, but they have been seen out and about together. They haven't really attended any Hollywood events together. They prefer to spend time together privately, especially with Michelle's young daughter, Matilda. They are openly supportive of each other's careers and are equally ambitious. They make a cute couple together and really seem to compliment one another.