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.
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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.
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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:
