Jason Segel Tapes Michelle Williams' Pic on His Phone

Jason Segel arrives back at his place on Friday (April 13) in Los Angeles.

Photographers snapped the 32-year-old actor’s phone – which had girlfriend Michelle Williams‘ photo booth pics taped on the back of it!

Jason, who can next be seen in The Five-Year Engagement opposite Emily Blunt, and Michelle, 31, “are smitten and very serious,” a source told Us Weekly.

The two were spotted on a romantic dinner date in Brooklyn late last month. The following morning, Jason watched as Michelle‘s 6-year-old daughter, Matilda, rode her scooter around the neighborhood.