UPDATE (January 22, 5:25pm EST): As Mandy Moore revealed on her Instagram page, the ladies’ looks were not coordinated, with the star writing, “Oh, and this was NOT planned. The Pearson ladies all showed in the same shade of blue by pure coincidence.” Even cooler!

“The Big Three” just got a revamp! The term usually reserved for the fictional siblings of Kate, Kevin, and Randall Pearson on This Is Us by parents Jack and Rebecca was all but taken over by show stars Mandy Moore, Chrissy Metz, and Susan Kelechi Watson, who all donned stunning shades of cobalt blue for the show’s big night.

The three beauties each appeared at the awards show in different shades of royal blue, adding their signature style to the vibrant hue.

Moore, for example, who plays mom Rebecca on the hit drama series, channeled herself from 2004 in a blue sequin slipdress by Ralph Lauren Collection, accessorizing with a deep blue Judith Leiber clutch, Niwaka starfish-inspired jewels, and black Jimmy Choo sandals.

Metz, on the other hand, who plays Rebecca’s daughter Kate on the show, looked ethereal in a custom Kate Spade New York dress with ruffles and floral embellishments. Her stylist Penny Lovell added Stuart Weitzman shoes, a Swarovski clutch, and teardrop diamond earrings and diamond marquise ring by Forevermark USA.

As for Kelechi Watson, AKA Randall’s wife, Beth Pearson, she looked truly regal in an asymmetrical strapless Rubin Singer sheath gown in a similar shade of blue. She added a Tyler Ellis clutch, Nicholas Kirkwood silver sandals, and mixed jewelry by APM Monaco for added oomph, along with a bright red lip and a retro hairdo.

The three costars enjoyed a successful night, winning Outstanding Performance by an Ensemble in a Drama Series, with costar Sterling K. Brown also winning for Outstanding Performance by a Male Actor in a Drama Series.

Congratulations to the ladies on their big win… and their striking style!

Which This Is Us star’s blue look do you love most? Let us know @BritandCo!

(Photo via Alberto E. Rodriguez, Kevin Mazur, Frederick M. Brown, + Kevin Winter/Getty)