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!!!
She sure loves horsing around!
Alessandra Ambrosio celebrated her mini-me's graduation on Saturday by taking Anja and a friend to the My Little Pony: Equestria Girls premiere at the Los Angeles Film Festival.
For her trot down the red carpet, the 4-year-old channeled her inner ballerina in a tutu-like dress with purple ombre skirt and matching My Little Pony extensions.
These two are by far the cutest mother-daughter duo out there!
[Image via Getty Images.]