The stars descended to Shrine Auditorium in Los Angeles for the 30th Annual Screen Actors Guild Awards on Saturday afternoon.
Margot Robbie, 33, channeled her Barbie character in a pink and black statement Schiaparelli gown as she dazzled on the red carpet.
Jennifer Aniston, 55, showcased her toned form in a low-cut silver Celine gown, which featured a thigh slit.
Brie Larson, 34, flashed her incredible abs on the red carpet, rocking a peachy pink ruched crop top with a matching ball skirt by Atelier Versace.
Selena Gomez, 31, looked ethereal in a fitted white Atelier Versace gown, opting to leave her long brunette locks loose around her.
Margot, who starred as the title character in the Barbie film, wore a black and bubblegum pink Schiaparelli Couture frock that featured a black strapless mini dress with a pink accent along the waist and shoulder.
The asymmetrical number included a long train in the pink tone.
The Australian-born actress, who arrived with her husband Tom Ackerley, wore black pointed heels, paired with diamond earrings and an anklet.
The blonde movie star wore her long golden tresses loose and in waves, opting for a center part.
Jennifer also wowed on the red carpet in a figure hugging silver gown. She is wearing Celine.
The Friends star showcased her toned form in the fitted number, which also included a thigh-slit.
The TV star looked beautiful in her bob hairstyle, with glossy pink lips and rosy cheeks as her makeup look.