Margot Robbie is back in movie star Barbie mode.

The Oscar-nominated actress made her return to the red carpet nearly a year after she and husband Tom Ackerley welcomed a baby boy , whose name has not yet been shared.

Margot posed alongside her A Big Bold Beautiful Journey costar Colin Farrell as the two celebrated their upcoming romantic fantasy at the Four Seasons Hotel in Beverly Hills Aug. 20.

The 35-year-old cut a stunning figure in a black, fitted mini-dress, paired with strappy black heels and her iconic blonde hair. Colin went for a more casual look, donning blue jeans and a white t-shirt with a black cardigan.

Not only does the outing mark Margot’s first such event since becoming a mom, but A Big Bold Beautiful Journey is

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