But the design is so classic that it's super easy to find without resorting to dropping major cash for the Tom Ford original!
We found two equally affordable options that are super similar to Kate's dress.
Check 'em out ...AFTER THE JUMP!!!
The actress left the flower power at home and opted for a classic black dress with just hints of florals.
And while the dress did feature a lacy neckline and sheer hem, the outfit wasn't overtly sexy for Olive's mommy.
Drew's accessories did not disappoint either! The double C pearl earrings and the subtle pearl accents in her pumps were to-die-for!
Though Drew's entire look was en pointe, we are curious about all the loose fitting clothing she's been donning lately. And it's hard to miss that glow!
But we guess we'd be glowing too if we were decked in gorgeous designer duds.
[Image via C.Smith/WENN.]