The couple met while filming the final episode of Mad Men in 2015 (Picture: InstarImages/Getty)Jon Hamm is expecting his first child with his wife Anna Osceola, who debuted her baby bump while the couple were at the beach. The couple, who met on the final season of Mad Men, were spotted enjoying the sun and surf in the Hamptons last week. The 38-year-old actress wore a green bikini as she showed off her growing baby bump, while her husband Hamm, 55, went shirtless after a dip in the sea. Hamm had previously indicated he might not want children while in a long-term relationship with actor and screenwriter Jennifer Westfeldt. Arrow MORE: Anne Hathaway debunks ridiculous accusation her baby bump is fake after red carpet lookArrow MORE: I was diagnosed with Down’s syndrome at 23 — doctors couldn’t believe it