Sienna Miller  flats baby mom post baby body sweater

Girl's day out!

On Thursday, Sienna Miller and her mom Josephine took her darling daughter Marlowe to spend the day in chilly Santa Monica.

The 31-year-old actress and her baby girl have been spending lots of time together, having taken her little cutie pie to lunch and Fred Segal for a quick shopping trip earlier in the week. Guess her hubby Tom Sturridge was busy getting ready for the Golden Globes this weekend!