Unlike Sarah Jessica Parker, Karolina Kurkova and Anne Hathaway, the former reality star went rouge in a one-shoulder Christian Dior tiered gown paired with a random leopard print belt and Diane von Furstenberg pumps.
To Olivia's credit, she was carrying a purple feather Valentino bag, but it stuck out like a sore thumb.
Overall, the whole look was a mess, which is so unlike her.
Oh well, guess everyone's entitled to an off-day every once and a while, right?
[Image via C. Smith/WENN.]