Grace Gummer and Mark Ronson are already parents to a baby girl, 23 months. The couple revealed they're expecting in snaps from the soon-to-be dad of two's holiday party.

Mark Ronson and Grace Gummer are expanding their family.

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.

The expectant couple, who wed in August 2021, welcomed their first child — a daughter named Ruthie — at the beginning of 2023.

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