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!!!
Jessica Alba sucked all the air out of this room!
The actress looked the seXXXiest we've seen her in a LONG time in a strapless white Zuhair Murad dress at the Social Star Awards in Singapore on Thursday.
We already knew her body was unbelievably HOT, but this dress gave us a very healthy reminder!
White Louboutin pumps and glossy waves only heightened the bombshell effect.
[Image via Getty Images.]