Miles Brown, who's only 11 and co-stars with Marsai on Black-ish, was equally adorable in a yellow bomber jacket and bright red sneakers.
Elizabeth Debicki was glamorous in gold, her floor-length sleeveless dress stressing her pencil-thin frame and glistening under the lights as she trod the carpet.
She also, at one point, put one hand at her waist and made a peace sign with the other, leaning to one side and scrunching her face up at the camera.
Zoe, who's raising three children with Marco, was seen laughing as she mingled with the thronging fans who held out posters for her to sign.
It was custom-made for the actress but gave a nod to similar orange fringed dresses found in the autumn/winter '17 collection, although Zoe's was updated with a sequin body and high-neck.
2 premiere, Zoe Saldana made sure all eyes were on her in a tangerine-hued dress by Emilio Pucci.
Chris Pratt, the film's leading man, draped his chiseled figure in a silver suit he wore with black tie and a white dress shirt, posing alongside his wife Anna Faris.
Anna - who'd let a bit of blonde fringe sprout into her do - had slid on a pale pink floral gown that tightened about her trim torso and complemented her clutch.
Seth Green stood dwarfed by his wife since 2010, Clare Grant, whose towering hairdo made him appear even smaller by comparison than he typically does.
Clare had emphasized her slender figure in a gorgeous blue, white, charcoal and yellow floral dress hemmed at the knee to showcase her chiseled legs.