The couple are already parents to a baby girl, 23 months Mark Ronson and Grace Gummer's family is growing! The actress, 38, and music producer, 49, are expecting their second baby together, nearly two years after the couple welcomed a baby girl.

Mark Ronson and Grace Gummer are expanding their family.

Mark Ronson and Grace Gummer both come from famous families, but they've enjoyed keeping their romance low-key. The couple were first romantically linked in September 2020 after they were spotted together in New York City.

Mark Ronson and Grace Gummer have a reason to celebrate, because they are expecting their second child together. Gummer revealed her pregnancy on Dec. 18 when she proudly showcased her baby bump at Ronson and Justin Theroux’s annual holiday bash at Pebble Bar.

Meryl Streep's daughter Grace Gummer announced she is pregnant with her second child with husband Mark Ronson.