25/37
Dimitrios Kambouris/Getty Images
And the celeb is...
Rihanna in Guo Pei
26/37
Dimitrios Kambouris/Getty Images
Can you guess the dress?
This corseted number ruffled our feathers two years ago.
27/37
Dimitrios Kambouris/Getty Images
And the celeb is...
Kate Upton in Dolce & Gabbana. So two people are to blame!
28/37
Dimitrios Kambouris/Getty Images
Can you guess the dress?
This rosy-hued piece brought plenty of va-va-voom to the 2014 Met Gala red carpet.
29/37
Dimitrios Kambouris/Getty Images
And the celeb is...
Blake Lively in Gucci
30/37
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Can you guess the dress?
We all make mistakes sometimes. The wearer of this flapper-inspired dress is usually so on point.
31/37
Larry Busacca/Getty Images
And the celeb is...
Lupita Nyong'o in Prada
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Can you guess the dress?
Who slipped into this delicately embellished punky piece in 2013?
33/37
Dimitrios Kambouris/Getty Images
And the celeb is...
Emmy Rossum in Donna Karan Atelier
34/37
Dimitrios Kambouris/Getty Images
Can you guess the dress?
This lacy, all-white number gave us major angel vibes on the 2013 Met Gala red carpet.
35/37
Dimitrios Kambouris/Getty Images
And the celeb is...
Rooney Mara in Givenchy
36/37
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Can you guess the dress?
This structured floral number was reserved for the classiest (and most particular) of taste makers.
37/37
Dimitrios Kambouris/Getty Images
And the celeb is...
Anna Wintour in Chanel