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!!!
We kinda wish Selena Gomez had been at the White House Correspondents' Dinner, but she had awards to win and a performance to give for the Radio Disney Music Awards in El Lay on Saturday.
She doesn't have time for politics! Ha!
Justin Bieber's first love looked cute and classy in a Vince leather t-shirt top, floral print Blumarine skirt, and strappy Nicholas Kirkwood sandals.
The 20-year-old blew out her voluminous curls and put on her lovely, infectious smile for the night.
She also took home the Best Female Artist award!
Just keep winning, Selenita!
[Image via Getty Images.]