The couple —who wed in March — celebrated his 32nd birthday on Friday at the Sesame Street set, where Morris was filming her upcoming segment with Elmo, Big Bird, Ernie, Abby Cadabby and Rosita.

The story was a classic conflict between Bert and Ernie — best friends, roommates and stars of this episode of “Sesame Street.” As the group prepared to move on to the next script, Peter ...