Chrissy Teigen also took the opportunity to flex her fashion muscles on the big night in a sweeping saccharine-hued Georges Hobeika gown which boasted a dramatic sleeve emblazoned with sequins.
A sheer train and ultra thigh-high split Bella Hadid would be proud of was all that was needed to earn her extra style points.
Proving couple dressing isn't something to be sniffed at, John Legend mastered matchy-matchy dressing in a sky blue suit.
As if that isn't enough style inspiration for one weekend, Jessica Alba also made an appearance in a Ralph & Russo feathered dress we wouldn't half mind borrowing this festive season.
Inspiring us to remember to up our accessories game, the mother-of-three ticked another trend from the list in a bejewelled headband with a co-ordinating (equally fluffy) handbag in her clutches.
Jennifer Garner, Mindy Kaling and Katy Perry also ensured the night would go down in the fashion history books.
Garner and Perry both looked to Prada for fashion assistance while Kaling opted for an Oscar de la Renta number.
Without further ado, see which A-listers wore what at the 2019 Baby2Baby Gala: