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The 33-year-old actress told E! News she wanted "to be comfortable, for sure," in her gown, and the dress itself needed to be "something that lasts all evening—it's not ripping!"
"Especially because I'm jumping right from the Oscars to the Vanity Fair party," said the Quantico star, who ended up wearing a stunning Zuhair Murad white dress. "I go straight to the airport in my gown—[I'll] change in the airport bathroom, and take a red-eye to start Baywatch [Monday] morning."